really in sync. ding ding ding. they moved into a house in orlando. they recorded their music in a secret hideaway nearby. >> it's almost like we're in the fun house. >> right? that's kind of what it was. it's got like every lux luxury you can't imagine. >> life for justin in the house. >> he had already done the mickey mouse club. the difference was during the daytime if we didn't have anything to do, justin would have to be in the dining room with his tutor, you know, taking classes, doing school. >> six hours a day? >> yeah. he would outwork anybody. >> driven, driven, driven, but he's the hardest-working person i know. >> the hard work would eventually pay off. after two years of relentless touring overseas, they hit it big in the u.s. with a disney concert special, filling in as a last-minute replacement for the back street boys.