NSYNC was an instrumental group consisting of young male musicians.
A boy band ( or boyband ) is loosely defined as a vocal group consisting of young male singers , usually in their teenage years or in their twenties at the time of formation , singing love songs marketed towards young females . NSYNC . NSYNC consisted of Justin Timberlake , JC Chasez , Chris Kirkpatrick , Joey Fatone , and Lance Bass . They have sold over 70 million albums during their career , becoming the eighth-best-selling boy band in history .