ChordGrind
Circle of Fifths Trainer
Three rings: major keys (outer), key signatures (middle), relative minors (inner). Cycle through all 12 keys with inversions, or drill major and minor rootless ii–V–I voicings (Type A and B) on the staff — with piano or guitar audio.
Metronome
BPM: 60
Beats per change
Instrument
Chord style
Today's Key
C
Cmaj7 · root position
C – E – G – B
next → Fmaj7 · 2nd
1/12· 0/4 done today
Tap any segment to jump to that key in the current run and hear it