doh
n.n. a musical note that is the second note in the scale of C major. It is also the name of the second string on a guitar.
n. the second degree of the diatonic scale, corresponding to the note D in the key of C. In guitar tuning, it refers to the second string, which is typically tuned to this pitch.
The melody starts on doh and moves up to re.
When tuning a guitar, the second string should be adjusted until it matches the pitch of doh.
The composer uses doh as the tonic to establish a sense of stability before shifting to the dominant chord in the next measure.
An anglicised spelling of do.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Last updated May 18, 2026