Progression Builder
Start with a path
Chord Progression Builder
Begin with a proven shape or make your own. Hear how the chords move, then learn why they work.
Need an idea?
Choose a starting point
Roman numerals preserve the same musical relationship in every key.
Your ingredients
Chords in the key
Click to add
These seven chords use only notes from the selected scale. That makes them reliable starting material—not rules you can never break.
Your progression
A familiar beginning
Selected chord
C major
I · TonicThis is home—the most stable chord in the key and the place the progression feels at rest.
What your progression is doing
Home → tension → emotion → movement
This progression establishes the key, creates tension, softens into the relative minor, and moves outward before repeating.
TonicMovementTension