Homonym: D♭ (Note)
D♭, or D flat, is a musical note that is one semitone lower than D. It is commonly used in various musical scales and compositions, particularly in genres like jazz, classical, and pop. In the context of a piano, D♭ is the black key immediately to the left of the D key.
In music theory, D♭ can also serve as the root note for the D♭ major and D♭ minor scales. The D♭ major scale consists of the notes D♭, E♭, F, G♭, A♭, B♭, and C, while the D♭ minor scale includes D♭, E♭, F♭, G♭, A♭, B♭♭, and C♭. These scales are essential for understanding harmony and melody in music.