Em
A
E
G
B
N
ChordU Notes are transposable to any key & you can control tempo of the notes playback.
C
D
Am
Gm
Dm
F
Cm
Bb
Fm
Eb
Abm
Gbm
Bm
F#m
Bbm
Db
Ebm
Gb
F#
C#m
Ab