Gb - Tonic

Ab - Supertonic

Bbb - Mediant

Cb - Subdominant

Db - Dominant

Ebb - Submediant

F - Subtonic

1 - Thumb

2 - Index Finger

3 - Middle Finger

4 - Ring Finger

5 - Little Finger

1

2

b3

4

5

b6

7