In music and music theory fourth may refer to:
- perfect fourth
- augmented fourth or diminished fourth
- Sustained chord or eleventh chord
- Subdominant, fourth degree of the diatonic scale
- Quartal harmony
Famous quotes containing the word fourth:
“And he was lost among the waves,
His ship rolled helpless in the sea,
The fourth month of his voyage
He shouted grievously
“Beloved, do not think of me.””
—Alun Lewis (1915–1944)