quartet

quartet /kwoɚˈtɛt/ noun
plural quartets
quartet
/kwoɚˈtɛt/
noun
plural quartets
Britannica Dictionary definition of QUARTET
[count]
1 
: a group of four singers or musicians who perform together
2 
: a song or piece of music performed by four singers or musicians
3 
: a group or set of four people or things