Answer: quartets

AnswerCrossword Clue
QUARTETSSets of four
QUARTETSBoyz II Men and others
QUARTETSABBA and Kiss
QUARTETSString groups
QUARTETSFoursomes
QUARTETSMusical groups.
QUARTETSCertain musical works
QUARTETSPieces of eight?
QUARTETSThe Beatles and the Monkees
QUARTETS68 works of Haydn
quartetsA group of four people playing music or singing together
quartetsA composition for such a group
quartetsA set of four people or things
quartetsQUARTET, a group of four, also QUARTETT