Backstreet’s Back! And so is New Kids on the Block! We’re so excited about the return of two of the biggest boy bands ever, that we’ve teamed up with the guys to offer you a chance at winning tickets to their gig in Birmingham on Friday 27 April.

For your chance at winning one of five pairs of tickets, simply answer the question below. Don’t know the answer? Find it in 4Music’s NKOTBSB UK Tour schedule.

Visit 4Music.com to enter the competition.