fourpiece means A group (of musicians and/or singers) comprising four people; a quartet. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From four + piece.
noun
- A group (of musicians and/or singers) comprising four people; a quartet.“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.”