D Natural is a musical note that is part of the Western music scale. It is the fourth note in the C major scale and is represented by the letter "D." In terms of pitch, D Natural is one whole step above C and one whole step below E. In written music, D Natural is notated on the staff without any accidentals, meaning it is played in its natural form. This note is commonly used in various musical genres, including classical, jazz, and pop, contributing to melodies and harmonies in compositions.