Smart Chord Studio

Explore harmony · craft progressions

Your voice

Define your comfortable vocal range. We'll use it to find the best key for any progression.

C3G4

We'll capture your range in two steps: lowest note, then highest.

Pitch reference

Drone
A#3 + F4
Tap any note to start a tonic + perfect fifth drone. Highlighted keys fall inside your range.

How to use your range

  • Open Suggest or Library and tap Adapt to voice on any progression.
  • It picks the best transposition for your range — tap the chevron for alternatives.