fourpiece

English edit

four +‎ piece

fourpiece (plural fourpieces)

(music) A group (of musicians and/or singers) comprising four people; a quartet.
- 2009 September 23, Laura Barnett, “Skunk Anansie: 'We burnt out'”, in The Guardian‎^[1]:
  The London-based fourpiece – fronted by the shaven-headed Skin, who combined the vocal range of Mariah Carey with the swagger of Michael Hutchence, alongside bassist Cass and drummer Mark Richardson – had sold 4m albums, headlined Glastonbury, and played at Nelson Mandela's 80th birthday party.