Wolfram|Alpha

Computing...

Input interpretation:

Bflat major  (musical key) | flats


Result:

Bflat Eflat  (2 flats)


Key signature:



Corresponding scale:

Bflat_4 | C_5 | D_5 | Eflat_5 | F_5 | G_5 | A_5 | Bflat_5\n(major scale built on Bflat_4)