Interval: the b2 of G
Ab
Interval: the 2 of G
A
Interval: the b3 of G
Bb
Interval: the 3 of G
B
Interval: the 4 of G
C
Interval: the b5 of G
Db
Interval: the 5 of G
D
Interval: the b6 of G
Eb
Interval: the 6 of G
E
Interval: the b7 of G
F
Interval: the 7 of G
Gb