Interactive Music Theory Lab

Learn music theory through hands-on creation. Build chords, craft progressions, compose melodies, and understand why music sounds good.

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Chord Lab

Build & Explore Chords

  • Interactive chord builder with real-time audio playback
  • Extensive chord library: triads, 7ths, extended, altered, and more
  • Visual piano keyboard and staff notation
  • Chord voicings and inversions explorer
Open Chord Lab

Composition Studio

Create Full Songs

  • Build chord progressions with drag-and-drop
  • AI-powered melody, chord & song structure generation
  • Song sections (Verse, Chorus, Bridge) with Song Builder
  • Audio file chord detection - upload MP3/WAV files
  • Export to MIDI, PDF, and more
Open Composition Studio

Scale Explorer

Discover Scales & Modes

  • 100+ scales: major, minor, modes, jazz, world music
  • Visual scale patterns on piano and fretboard
  • Diatonic chords for each scale
  • Compare scales and find related modes
Open Scale Explorer

Theory Academy

Learn By Doing

  • Interactive lessons with hands-on exercises
  • Guided tutorials that integrate with the app
  • Topics: intervals, chord construction, progressions, voice leading
  • Progress from beginner to advanced
Open Theory Academy

Plus More Features

AI-powered chord, melody & harmonization recommendations
Progression preset library
MIDI & PDF export
Audio chord detection