D-sharp
DEFINITION
The raised second note ( supertonic) of the C major scale. In solfeggio, this note is called Ri. The frequencies of the audible pitches of D-sharp are notated below. See also [Eng.] D-sharp; [Fr.] R' di'se; [Ger.] Dis; [It.] Re diesis; [Sp.] Re sostenido.