- A group of singers with several people to each part.
- The music written for these singers.
- The refrain between verses of a song.
The first example below covers both definition (1) a group of singers and definition (2) music written for these singers.
The second example below covers definition (3) the refrain between verses of a song.
See and hear Handel’s famous 'Hallelujah Chorus'.
Queen’s 'We Will Rock You' has a very well-known chorus.