Flat Key Bass

1 Flat (Bb) - F Major - D Minor

2 Flats (Bb, Eb) - Bb Major - G Minor

3 Flats (Bb, Eb, Ab) - Eb Major - C Minor

4 Flats (Bb, Eb, Ab, Db) - Ab Major - F Minor

5 Flats (Bb, Eb, Ab, Db, Gb) - Db Major - Bb Minor

6 Flats (Bb, Eb, Ab, Db, Gb, Cb) - Gb Major - Eb Minor

7 Flats (Bb, Eb, Ab, Db, Gb, Cb, Fb) - Cb Major - Ab Minor