D (musical note)


D is a musical note a whole tone above C, and is known as Re within the fixed-Do solfege system. Its enharmonic equivalents are C and E. It is the third semitone of the solfège.
When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of middle D is approximately 293.665Hz. See pitch for a discussion of historical variations in frequency.

Scales

Common scales beginning on D

[Diatonic scale]s

[Jazz scale#Modes of the [melodic minor scale|Jazz melodic minor]]