G-sharp major is a major scale based on the musical note G sharp . G-sharp major is a major scale based on the musical note G-sharp , consisting of the pitches ( ( Gâ ( musical note ) G ) ) , ( ( Aâ ( musical note ) A ) ) , ( ( Bâ ( musical note ) B ) ) , ( ( Câ ( musical note ) C ) ) , ( ( Dâ ( musical note ) D ) ) , ( ( Eâ ( musical note ) E ) ) and F. Its key signature has six sharps and one double sharp .