Chord lab
Hear the shape, then find it.
Pick a root on the circle, a quality, and an inversion. The keyboard shows fingering — play it as a block or roll it as an arpeggio.
C
Major · Root position
Bright and stable. The home chord of a major key.
CRootE3G5
Inversion
Computer keys · A–J is C4–B4, W/E/T/Y/U the sharps. Or tap the keys.