New Kids on the Block

After a greatest-hits medley — "Step By Step," "Hangin' Tough," "Please Don't Go Girl" and "You Got It (The Right Stuff)" — and the comeback single "Summertime," the band paused to celebrate Jordan Knight's 38th birthday and honor their fans. "This song is for you," Donnie Wahlberg proclaimed before "Tonight." "This album, this tour, everything we do from now on is to pay you back."