MuGen creates original, royalty-free MIDI songs with guided randomization, music-theory rules, built-in playback, track control, and DAW-ready export. Compose, arrange, mix, inspect, and export music for games, videos, practice, prototypes, and full productions.

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About This Software

MuGen - Music Generator


Create original, royalty-free MIDI music in seconds with MuGen.

MuGen is a generative MIDI composer for games, videos, practice tracks, prototypes, and music production. Choose the musical intent, shape the arrangement, inspect the result, and export clean MIDI that can be opened in almost any DAW, notation tool, or MIDI player.

The workflow is built for speed without hiding power. Compose sets the seed, tempo, key, scale, beat, melody type, structure, and section progressions. Arrange lets you choose instruments and drums, enable or mute tracks, preview parts, and export individual MIDI tracks. Mixer gives you internal playback, MIDI output routing, note context, track activity, solo/mute controls, and MIDI export. Results keeps generated songs as usable objects with play, open, folder, details, and export actions.

MuGen combines guided randomization with music-theory rules to generate original, royalty-free songs. Keep a seed to explore variations, randomize when you want fresh ideas, and use advanced controls when you want deeper control over chord behavior, section variation, rhythm, density, and arrangement.

Features

  • Fast royalty-free MIDI song generation
  • Task-based workflow: Compose, Arrange, Mixer, Results, Settings
  • Seeded generation for repeatable ideas and controlled variations
  • Song setup controls for tempo, key, scale/mode, beat, melody type, and structure
  • Section progressions for intro/outro, verse/theme, chorus/drop, bridge, solo, and breakdown
  • Multiple song structures including theme, verse/chorus, bridge, solo, and breakdown/build/drop forms
  • Chord-based, scale-based, strummed, pentatonic, and blues melody generation
  • Scales and modes: Major, Minor, Dorian, Phrygian, Lydian, Mixolydian, Locrian
  • Instrument and drum selection, presets, randomization, and per-track controls
  • Built-in player with scrub control, note display, track activity, solo, mute, and MIDI output routing
  • Export full songs or individual MIDI tracks for DAWs, notation tools, video tools, and game engines
  • Generated song results with play, open MIDI, details, folder, and export actions
  • Advanced chord and arrangement controls including Sus2, Sus4, Add9, 7th chords, inversions, FX tracks, pads, chord separation, and melody mutation

Use MuGen when you need music quickly, when you want controllable inspiration, or when you want MIDI material you can immediately edit, arrange, and produce in your own tools.

System Requirements

    Minimum:
    • OS: Windows ALL
    • Processor: Any
    • Memory: 200 MB RAM
    • Graphics: Any
    • Storage: 250 MB available space
    • Sound Card: Any

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