Progression Helper

Craft cleaner key changes with confidence.

Progression Helper provides practical music theory tools for composers, songwriters, producers, and students.

Start with the Key Modulation Helper to move between keys with cleaner harmonic logic.

Open Key Modulation Helper Explore Features
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Diatonic Views

Inspect source and target key chord sets side-by-side to see common harmony quickly.

Bridge

Pivot Discovery

Surface practical modulation options including pivot chords and dominant approaches.

Hear

Instant Playback

Audition progression paths with tempo control before committing to arrangement choices.