A chorus is the part of a song that is repeated several times, usually after each verse. Chorus may also refer to: Music. Chorus effect, the perception of similar sounds from multiple sources as a single, richer sound. Chorus form, song in which all verses or stanzas are sung to the same music. Choir, a vocal ensemble. Chorus (Eberhard Weber album), a 1985 album by jazz composer Eberhard Weber. Chorus (Erasure album), a 1991 album by English musical duo Erasure. "Chorus" (Erasure song), a 1991 single from the album.
https://en.wikipedia.org/wiki/Chorus