Explore scales, chords, progressions, manuscript, sequencer, tablature, and drums in one workspace — then generate, edit, playback, and export your ideas to your favorite DAW with full control.
No AI. No shortcuts. Just real music theory — powered by you.
Everything you need to explore theory, shape melodies, arrange ideas, and hear them back — without jumping between disconnected tools.
Explore scales, modes, chord progressions, and key signatures with an intuitive visual interface.
Generate melodies with customizable complexity, range, and density controls — then play them back instantly.
Drag, drop, and reshape every note — take a generated melody and make it yours with hands-on control.
Switch between Manuscript, Sequencer, Tablature, and Drum modes for full creative flexibility.
Arrange and structure the song ideas you're already working on — then save them as sheet music so nothing gets lost.
Export your compositions as MIDI files and bring them straight into any DAW for further production.
Hear your compositions come to life with quality instrument sounds — no external DAW required.
Get theory-based guidance for chords, scales, and progressions while you compose — built on music rules, not AI guesswork.
See how The DeputIE helps you go from theory to melody to playback in one workflow.
Join the waitlist to get early access to a theory-first composition tool built for writing real melodies with full control.