Db - Tonic

Eb - Supertonic

Fb - Mediant

Gb - Subdominant

Ab - Dominant

Bbb - Submediant

C - Subtonic

1 - Thumb

2 - Index Finger

3 - Middle Finger

4 - Ring Finger

5 - Little Finger

1

2

b3

4

5

b6

7