The circular arrangement depends on enharmonic relationships in the circle , usually reckoned at six sharps or flats for the major keys of F ♯ = G ♭ and D ♯ = E ♭ for minor keys .
The circle depends on enharmonic relationships in the circle , which is six sharps or flats for the major keys of F ♯ = G ♭ and D ♯ = E ♭ for minor keys ( Drabkin 2001 ) .