Browse free open source MIDI software and projects below. Use the toggles on the left to filter open source MIDI software by OS, license, language, programming language, and project status.

  • ThermoGrid Contractor Management Software Icon
    ThermoGrid Contractor Management Software

    ThermoGrid is a specialized contractor management software tool for managing field service operations

    Nail down how you manage your day-to-day and level up your services. Whether you are a plumber, electrician, or HVAC technician, ThermoGrid brings together all areas of your business so you can get the job done right.
  • High-performance Open Source API Gateway Icon
    High-performance Open Source API Gateway

    KrakenD is a stateless, distributed, high-performance API Gateway that helps you effortlessly adopt microservices

    KrakenD is a high-performance API Gateway optimized for resource efficiency, capable of managing 70,000 requests per second on a single instance. The stateless architecture allows for straightforward, linear scalability, eliminating the need for complex coordination or database maintenance.
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    TuxGuitar
    TuxGuitar is a multitrack guitar tablature editor and player written in Java-SWT, It can open GuitarPro, PowerTab and TablEdit files.
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    Downloads: 2,262 This Week
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  • 2
    Hydrogen

    Hydrogen

    An advanced drum machine with pattern-based programming

    Hydrogen is an advanced drum machine for GNU/Linux, Windows and Mac OS X. It's main goal is to bring professional yet simple and intuitive pattern-based drum programming.
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    Downloads: 1,718 This Week
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  • 3
    Fx FloorBoard

    Fx FloorBoard

    Graphical editor software for many Boss and Roland effect & synth unit

    Editors for the BOSS GT-1, 3, 5, 6, 8, Pro, 10, 100, 001 Guitar Multi-Effects Processors, and the BOSS GT-1B,6B,10B Bass Multi-Effects Processors. And for the Katana Amplifier. and various Boss and Roland guitar synths. This software can visually edit parameters via Midi,USB, or Bluetooth(via external device on some units) on the Multi-Effects/Amp/Synth Processor.
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    Downloads: 654 This Week
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  • 4
    Qtractor

    Qtractor

    An Audio/MIDI multi-track sequencer

    Qtractor is an Audio/MIDI multi-track sequencer application written in C++ around the Qt framework. The target platform will be Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI,
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    Downloads: 682 This Week
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  • Recruit and Manage your Workforce Icon
    Recruit and Manage your Workforce

    Evolia makes it easier to hire, schedule and track time worked by frontline in medium and large-sized businesses.

    Evolia is a web and mobile platform that connects enterprises with 1000’s of local shift workers and offers free workforce scheduling and time and attendance solutions. Is your business on Evolia?
  • 5
    GrandOrgue

    GrandOrgue

    Virtual Pipe Organ Software

    Official development of GrandOrgue has moved to GitHub, please visit https://github.com/GrandOrgue/grandorgue that is our new home! GrandOrgue is a sample based pipe organ simulator. When connected to MIDI keyboards and an audio system, it can accurately simulate the sound of a real pipe organ. This application has builds for Linux, Windows and OS X.
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    Downloads: 447 This Week
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  • 6
    Aria Maestosa
    Aria Maestosa is a midi sequencer/editor. It lets you compose, edit and play midi files with a few clicks in a user-friendly interface offering score, keyboard, guitar, drum and controller views. Git repository: https://github.com/ariamaestosa/ariamaestosa
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    Downloads: 377 This Week
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  • 7
    Munt
    A multi-platform software synthesiser emulating (somewhat inaccurately) pre-GM MIDI devices such as the Roland MT-32, CM-32L, CM-64 and LAPC-I. In no way endorsed by or affiliated with Roland Corp. Source hosted at: http://www.github.com/munt/
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    Downloads: 341 This Week
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  • 8
    FluidSynth

    FluidSynth

    A real-time SoundFont software synthesizer

    A real-time software synthesizer based on the SoundFont 2 specifications. It can be used for live audio synthesis of MIDI events or for rendering MIDI files to disk, using SoundFont instruments. It can also be embedded in other applications. This is not a application with a graphical user interface, however there are several GUI applications which utilize FluidSynth.
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    Downloads: 392 This Week
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  • 9
    TiMidity++ is an open source MIDI to WAVE converter and player.
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    Downloads: 233 This Week
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  • Component Content Management System for Software Documentation Icon
    Component Content Management System for Software Documentation

    Great tool for serious technical writers

    Paligo is an end-to-end Component Content Management System (CCMS) solution for technical documentation, policies and procedures, knowledge management, and more.
  • 10
    GR FloorBoard
    midi editing software for use with the Roland GR-55 guitar synthesizer, to allow graphical representation of the internal settings and parameters of the GR-55. Realtime editing and patch data backups, bulk patch editing.
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    Downloads: 209 This Week
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  • 11
    Virtual MIDI Piano Keyboard

    Virtual MIDI Piano Keyboard

    Virtual MIDI controller for Linux, Windows and OSX

    VMPK is a virtual MIDI piano keyboard for Linux, Windows and OSX. Based on Qt and Drumstick the program is a MIDI event generator using the computer's alphanumeric keyboard and the mouse. It may be used also to display received MIDI notes.
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    Downloads: 1,242 This Week
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  • 12
    Rosegarden
    The MIDI sequencer that features a rich understanding of music notation along with basic support for digital audio
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    Downloads: 213 This Week
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  • 13
    Impro-Visor

    Impro-Visor

    Leadsheet notation with auto-generated playback, improvisation advice

    Impro-Visor® is a music notation tool for producing monophonic lead sheets, specifically intended to help the improviser. Chord symbols are used to generate backing tracks automatically. Improvisation advice exists in the form of note coloration, database of licks, and automatic lick generation from grammars. Grammars can be learned automatically from transcriptions. Styles can be edited and created by the user. Other features include generation of roadmaps for understanding keys and idiomatic chord progressions, chord voicing keyboard, MIDI and MusicXML export. See http://www.cs.hmc.edu/~keller/jazz/improvisor for general information, including tutorials. Support and additional resources are through the user group https://groups.yahoo.com/neo/groups/impro-visor/info. The most recent source code, since summer of 2015, is housed here: https://github.com/Impro-Visor/Impro-Visor This started when SourceForge was down for over one week during an active development period.
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    Downloads: 175 This Week
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  • 14
    Pure Data Computer Music System
    The Pure Data (short Pd) project on SourceForge unifies the extensions (or externals) written for the Pure Data Graphical Computer Music System written by Miller Puckette with contributions from many others.
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    Downloads: 143 This Week
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  • 15
    Midi Sheet Music
    Midi Sheet Music is a free program that plays MIDI music files while highlighting the piano notes and sheet music notes. Works on Windows, Mac OS X, and Ubuntu Linux.
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    Downloads: 120 This Week
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  • 16
    ME-Edit
    Patch editor for the Boss ME-25 guitar multi effects and Roland GR-20 guitar synthesizer. The software allows desktop tweaking and editing of the ME-25 internal parameters, making patches a lot easier to create.
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    Downloads: 88 This Week
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  • 17
    Firmware loaders for M-Audio/Midiman USB MIDI and Audio devices
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    Downloads: 147 This Week
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  • 18
    jOrgan - Java Virtual Organ Source code is now hosted on https://github.com/svenmeier/jorgan/
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    Downloads: 63 This Week
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  • 19
    midisport-macos

    midisport-macos

    M-Audio MIDISPORT USB 64-bit MIDI device driver for MacOS v10.14+

    This project provides an open source MacOS v10.14-v12.6 (Mojave to Monterey) compatible CoreMIDI 64 bit device driver for M-Audio's MIDISPORT range of USB MIDI interfaces. This driver supports the following devices: MIDISPORT 1x1 MIDISPORT 2x2 MIDISPORT 4x4 MIDISPORT 8x8/S Oxygen 8 Keyboard Other devices which are compatible may also work, although presently, these are the only ones which have been tested.
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    Downloads: 69 This Week
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  • 20
    Bristol is synth emulation package for a diverse range of vintage synthesisers, electric pianos and organs. The application consists of a multithreaded audio synthesizer and a user interface called brighton.
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    Downloads: 71 This Week
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  • 21
    MidiLayer

    MidiLayer

    A simple and intuitive tool to improve live performances.

    MidiLayer is a simple and easy to use application designed to enhance your live performances. Manage slots and channels, adjust the velocity and the volume, customize the note range and connect with modulation wheels and other types of controllers, all with the help of MidiLayer.
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    Downloads: 86 This Week
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  • 22
    MuseScore

    MuseScore

    Free music notation & composition software

    MuseScore is the leading free & open source music notation software for Windows, Mac and Linux. It is easy to use and makes beautiful sheet music. MuseScore is often praised as a cost effective alternative for Sibelius and Finale. Support MuseScore at http://musescore.org/en/donate Like MuseScore on Facebook: http://facebook.com/musescore
    Downloads: 50 This Week
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  • 23
    Tone.js

    Tone.js

    A Web Audio framework for making interactive music in the browser

    Tone.js is an open source Web Audio framework for creating interactive music in the browser. It has advanced scheduling capabilities, synths, effects and more. Tone.js is built to be useful and familiar to both musicians and audio programmers. It has common DAW (digital audio workstation) features for those looking to schedule events and tinker with pre-built synths and effects. There’s also a great selection of high-performance building blocks for signal-processing programmers familiar with languages like Max/MSP. With Tone.js they can create their own synthesizers, effects, and complex control signals.
    Downloads: 2 This Week
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  • 24
    Psycle Modular Music Creation Studio
    Psycle is a Music tracker (like FastTracker 2 or Impulse Tracker) combined with plugin modularity. It supports its own plugin API, the VST2 plugin standard, and a tracker style sampler playback.
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    Downloads: 41 This Week
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  • 25
    PortMedia was created to develop and share cross-platform, open-source I/O libraries for digital media including MIDI, video, and audio. Only a few things were released under the PortMedia umbrella. These are now hosted by the github.com/Portmidi/ project, where you can find the lastest versions of PortMidi, portsmf (Standard MIDI File support and more), and see github.com/rbdannenberg/scorealign for MIDI and/or Audio score alignment.
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    Downloads: 55 This Week
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Open Source MIDI Software Guide

Open source MIDI software refers to music-related software developed, improved, and distributed by a community of developers. MIDI stands for Musical Instrument Digital Interface and is the language used to communicate with digital musical instruments, sound cards, and other devices such as computers. Open source MIDI software is usually free to use and allows users to create their compositions using sound samples or recordings. It provides an extensive library of sounds or loops which can be used in various genres of music. Additionally, open source MIDI software may allow musicians and producers to modify audio files within their program so they can tailor songs for specific projects.

In addition to creating and editing music, open source MIDI software offers access to an array of features such as effects like reverb or delay; sequencing capabilities for producing drum patterns; sampling options for capturing live audio; looping tools; automation features that enable precise timing between tracks; controller support allowing physical controllers (knobs and sliders) to control specific parameters in the program; synchronization options so that multiple machines can operate together while playing back audio in sync with each other; built-in synths to choose from when making synthesized sounds; instrument plug-ins like guitars or basses, etc.; custom routing settings which help shape how sound moves through different components when mixed in a project.

Finally, open source MIDI software often comes with various online tutorials teaching users how to use its functions, making it even more accessible than commercial DAWs (Digital Audio Workstations). By harnessing open source technology within this framework, musicians can craft unique pieces without spending vast amounts of money on expensive equipment. Open source MIDI software has become an essential tool for many professional producers who have embraced this new way of creating music digitally, saving time & money while maintaining the highest quality possible.

Features of Open Source MIDI Software

  • Virtual Studio Technology (VST): A plugin for hosting audio software effects and instruments. It is widely used for adding sounds to MIDI files or creating sounds from scratch.
  • Sequencers: A tool that allows users to record, edit, arrange, and mix MIDI files in the timeline of their choice.
  • Piano Roll: An interface that displays a grid of keys on the x-axis, with note information (velocity, pitch) assigned to each key on the y-axis.
  • Drum Sequencer: A tool replicating a drum machine, allowing users to create rhythms and patterns easily.
  • Analog/Digital Synthesis Tools: Utilities that recreate traditional analog synthesizers or digital samplers used to produce sound from scratch by combining different sound sources.
  • Mixer Board: A utility that includes panning controls, EQs, volume knobs, and other settings for adjusting various aspects of the instrument's sound in real-time.
  • Audio Effects Processing (Reverb, Delay): Tools that allow users to control parameters like reverberation time and feedback level and apply compression ratios for affecting prerecorded audio tracks or live instruments running through a mixer board into the program.
  • Sampler Editor/Player: Utilities that allow users to import/export sample libraries in many formats, including MP3/WAV/AIFF files, and access virtual samples inside the program, such as synths pads or drum kits, among others. They also include features such as multi-sampled mapping, which helps convert multiple samples into one instrument playable over your keyboard controller connected via a USB cable into your computer's USB port.
  • Notation Composer/Arranger: Tools allow users to quickly create and arrange musical scores in standard music notation using mouse clicks or play pieces in real-time that are graphically notated on screen.
  • Sheet Playback Facility/Transcriber: A system that allows you to compose a piece of music while hearing how it sounds and convert MIDI data into notation files.
  • Loop Sequencer/Looper: Allows users to combine multiple recordings by playing them simultaneously, thus creating complex audio loops.
  • Generative Composition Tools: Utilities for developing complex and interactive musical structures with generative algorithms such as fractals, cellular automata, and hidden Markov chains.

Different Types of Open Source MIDI Software

  • Audio Sequencers: Audio sequencers are open source MIDI software tools used to sequence and record musical compositions. They allow users to add musical elements such as drums, bass lines, and synths; arrange them in a layout; and perform edits on the elements until they are satisfied with the result.
  • Synthesizers: Synthesizers are open source MIDI software that produces sounds based on a set of parameters entered by the user. Users can customize different aspects of sound production, like pitch, timbre, tempo, volume, and more, to create unique sounds.
  • Drum Machines: Drum machines are used for creating drum patterns or beats as accompaniments to songs or other compositions. They usually consist of multiple samples that can be triggered individually by a particular note or chord being played on an instrument connected via MIDI cable.
  • Mixers: Digital mixers (also known as digital audio workstations) provide users with more control over their recordings than what is possible with analog mixing consoles. Open source software versions give users control over levels such as gain, panning, equalization, reverberation, and dynamic range compression to produce professional-sounding mixes.
  • Samplers: Samplers allow users to manipulate pre-recorded audio samples to create new sounds or rhythms, which can be used when making music compositions through MIDI sequencing programs. Features typically include editable envelopes, low-pass filters, and effects settings for precisely shaping the sound produced from the sample material.
  • Grooveboxes/Beatmakers: Grooveboxes (sometimes called beatmakers) use one or more synthesis engines for creating loops and patterns, which form the basis for composing music tracks without requiring any formal music training knowledge from the user’s part. These tools often come equipped with things like mixer channels for better sound organization management capabilities and built-in DAW integration options for quick exporting into other recording applications where further processing may occur if desired by the user.

Open Source MIDI Software Advantages

  • Cost: Open source MIDI software is available at no cost, which makes it an attractive option for musicians and producers who may not be able to afford traditional music production software.
  • Flexibility: Open source software can be easily modified to fit the user’s needs, allowing for more functionality and sound design flexibility.
  • Customization: Users can customize their setup by choosing from a wide range of sound libraries, effects, and plugins that are freely available online.
  • Compatibility: This type of software is designed to work with numerous formats (VSTs, AUXs), making it compatible with many different types of audio equipment.
  • Availability of Resources: Open source MIDI software usually comes with documentation or tutorials, so users don’t need to search a lot for information on how to operate it efficiently. Additionally, most open source programs have active communities willing to help answer questions or offer advice on getting the most out of the program. This makes finding support easier than in commercial programs where you often have limited help resources or paid-only customer service options.
  • Multiple Platform Support: Many open source programs allow you to access them from various platforms such as Windows, Mac OSX, and Linux operating systems, giving users the freedom to work in whatever environment they choose without being constrained by hardware platform limitations.
  • Easy Sharing: Since open source software is generally free to distribute, it’s easy for users to share projects and tracks with anyone worldwide. This makes collaboration between musicians and producers much easier.
  • Open Source: Many open source programs have ongoing development and improvement, giving users access to the latest features and updates. This also allows users to submit bug reports and feature requests directly to the developers so they can constantly improve the program.

What Types of Users Use Open Source MIDI Software?

  • Music Producers: Music producers use open source MIDI software to create and record music tracks, playing live instruments with a connected MIDI controller and sequencing beats into compositions.
  • DJs: DJs also use open source MIDI software as an alternative to traditional DJing and turntables. With this software, they can mix songs, add effects, and create unique soundscapes.
  • Guitarists/Bassists: Guitarists or bassists generally use open source MIDI software to experiment with sounds that may not be available through the instrument alone. For example, connecting a guitar controller to one of these programs allows access to various digital effects like distortion or reverb that would otherwise require expensive hardware pedals and amplifiers.
  • Vocalists: Some vocalists use open source MIDI software to expand their range by adding musical accompaniment in real-time without having another musician physically present or adding backing vocals for extra texture in their recordings.
  • Songwriters/Composers: Songwriters or composers prefer MIDIs because it provides them with easy access to melodies, drum patterns, and chord progressions, which they can quickly build upon in their creative process.
  • Educators: Education institutions such as colleges often incorporate open source MIDI software into their music classes to teach students how to compose music by providing them with essential tools that don’t cost anything.
  • Hobbyists: Plenty of hobbyists enjoy tinkering with MIDI software in their spare time as a way to relax and be creative.

How Much Does Open Source MIDI Software Cost?

Open source MIDI software is typically available for free, which means there is no cost associated with the software itself. However, depending on what you plan to do with open source MIDI software, you may need to invest in hardware or other equipment to get the most out of it. For instance, if you want to create a live performance setup using your open source MIDI software and hardware synthesizers, you will likely need to purchase an audio interface and various cables to connect all your devices. Additionally, some materials, such as music samples, may be available for a fee or require a subscription for continued access.

In conclusion, while there is usually no cost associated with downloading and using open source MIDI software by itself, any additional components or materials needed to use the software successfully or unlock its full potential will come at a cost.

What Software Can Integrate With Open Source MIDI Software?

Open source MIDI software is often capable of integrating with various types of software, depending on the purpose or desired use. Popular software integrating with open source MIDI software includes digital audio workstations (DAWs), virtual instruments, sound generators, synthesizers, sequencers, and loopers. DAWs allow users to create and produce music quickly by providing tools such as multi-track recording, waveform editing, and effects processing. Virtual instruments offer users realistic instrument sounds for playing live performances over MIDI controllers, while sound generators are used to create custom sounds from scratch. Synthesizers are used to manipulate existing sounds to create new ones. Sequencers allow users to arrange their songs into a specific playing order, while loopers provide an efficient way to store and replay patterns during live performances. All of these pieces of software can be integrated with open source MIDI software to help musicians create digital music more easily.

What Are the Trends Relating to Open Source MIDI Software?

  • Increased Popularity: Open source MIDI software has seen a surge in popularity in recent years. This is likely due to its affordability, ease of use, and flexibility compared to traditional music-making software.
  • Growing Variety: An increasing number of open source MIDI software options are being developed, allowing users to find the perfect fit for their needs.
  • Increasing Functionality: Open source MIDI software has become increasingly sophisticated, allowing users to create complex compositions with ease. This includes features like beat-making and sound manipulation.
  • Expanded Accessibility: Many open source MIDI software options are now available on mobile devices, making them even more accessible to those on the go.
  • Better Integration: Open source MIDI software is often better integrated with other software packages and hardware than commercial counterparts, allowing for greater flexibility.
  • Improved Quality: Open source MIDI software developers usually take feedback from users into account when creating new versions of their product, leading to improved quality over time.
  • Increased Collaboration: Open source MIDI software has enabled collaborative music-making to become more accessible than ever before, allowing users worldwide to join forces and create unique works of art.

How To Get Started With Open Source MIDI Software

Starting with open source MIDI software is relatively easy and can be done with minimal setup. First, you'll need to find the correct open source software for your computer. This can be done by searching online for "open source MIDI software" or using a specific keyword such as "Linux" or "MacOS." Once you have the appropriate program installed on your machine, you will need to locate any sound banks that may be necessary; these are typically free downloads that provide extra sounds and instruments.

Next, it's time to create some music. While there are many different ways of doing so depending on the software you've chosen and what kind of experience level you have, most tend to follow a basic pattern: first, create a MIDI track (most programs refer to this as an "instrument"). This is where all of your notes will live. Then place something called a virtual instrument onto the track, like drums and pianos (the selection depends on what you've downloaded). Finally, to add more instruments or sounds, drag them from your library onto other tracks in the same fashion.

Now comes the fun part: playing some notes. All MIDI programs come with a "piano roll" editor, which allows users to enter individual pitches/messages into their compositions via mouse clicks or by entering them manually if they know how. Additionally, most also offer helpful features such as quantization tools that help clean up sloppy playing/recording jobs while providing variations in rhythm and timing.

Once all of your desired instruments/notes are recorded, feel free to use various effects available in some programs (such as reverb) and mix everything until satisfied. Lastly, export your masterpiece in whatever format is required; typically, MP3s work best, but other standard formats like WAVs can work, too, depending on where it needs to go.

And there you have it. Starting with open source MIDI software is easy once someone understands its basics. We hope our guide has given readers enough information to get started creating music quickly and easily with minimal headaches involved along the way.