See It In Action : The Latest Devlog

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Inside The Theme Lab

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The Theme Lab writes complete musical ideas — melody and chord progression — and every part of the result is something you can steer, re-roll, or rewrite by hand.

• Themes On Demand

  Hit Generate and get a fully formed theme: a melody with real phrase structure, and a chord progression underneath it. Don't like it? Roll again — or turn on Autoplay and listen to an endless stream of fresh ideas.

• Build The Song

  Arrange several themes into one timeline. Duplicate a theme and the copies stay linked, so re-rolling one updates them all — or unlink a copy to send it off in its own direction. Drag blocks to reorder, rename them, and give each its own key and mode so the song can modulate.

• Shape The Form

  Lay out the phrase structure yourself with a simple form language — A(2) | A(2) | B(2) | CAD(2) — using chips you can drag, duplicate and delete. Pick from stock shapes like SRDC, AABA, sentence, period or a 12-bar AAB, or click any phrase in the analysis lane to change its type on the spot.

• Your Chords, Your Call

  Choose a ready-made progression loop or type your own Roman numerals — sevenths, added colour, borrowed and applied chords all welcome. Click any chord in the timeline to swap it from a picker; the melody stays exactly where it is while the harmony moves underneath.

• Re-roll Just One Bar

  Love the phrase but not that one segment? Drag across the melody to select a span and re-roll only that — everything else is kept note for note. Lock the rhythm and re-roll the pitches, or the other way around, audition take after take, then keep it or revert.

• Edit By Hand

  Nudge notes up and down by scale step, by semitone, or to the nearest chord tone, and delete the ones you don't want. The generator's work is a starting point, never a locked box.

• Sound & Mix

  Melody and chords live on separate tracks, each with its own General MIDI instrument, fader, mute, solo and gain. Re-voice the accompaniment as block chords, pulses, arpeggios or Alberti bass, shift either track by octaves, and sweeten the whole thing with a little reverb.

• See The Music

  Two scroll-synced piano rolls, with a lane above them showing the formal function of every phrase and the Roman numeral of every chord. Click a barline to start playback there, loop a section, and let the view follow the playhead as it goes.

• Take It With You

  Export both tracks as a MIDI file and open them in any DAW or notation program.