Question: what are the different music keys?
Answer: Key of C (no sharps or flats)
Key of F (1 flat)
Key of B Flat (2 flats)
Key of E Flat (3 flats)
Key of A Flat (4 flats)
Key of D Flat (5 flats)
Key of G Flat (6 flats)
Key of C Flat (7 flats)