G-flat major Rondo-Finale of his Seventh Symphony. Mahler's Tenth Symphony was composed in the enharmonic key of F-sharp major. This key is more often found in piano music, as the use of all five black keys allows an easier conformity to the player's hands, despite the numerous flats. Austrian composer Franz Schubert chose this key for his third impromptu from his first collection of impromptus (1827). Polish composer Frédéric Chopin wrote two études in the key of G-flat major: Étude Op. 10, No. 5 "Black Key" and Étude Op. 25, No. 9 "Butterfly". French composer Claude Debussy used this key for one
G-flat major G-flat major G-flat major (or the key of G) is a major scale based on G, consisting of the pitches G, A, B, C, D, E, and F. Its key signature has six flats. Its relative minor is E-flat minor (or enharmonically D-sharp minor), and its parallel minor is G-flat minor, usually replaced by F-sharp minor, since G-flat minor's two double-flats make it generally impractical to use. Its direct enharmonic equivalent, F-sharp major, also contains the same number of sharps. G-flat is more in common. The G-flat major scale is: \override Score.TimeSignature #'stencil = ##f \relative c" { </score> Like