Backstreet Boys is an American vocal pop group formed in Orlando, Florida, known for polished harmonies, choreographed performances and a blend of pop, R&B and dance-pop. Active from the early 1990s onward, the ensemble achieved mainstream international success in the late 1990s and beyond with radio-friendly ballads and uptempo singles featuring multi-part vocal arrangements and smooth production. Their musical approach emphasizes collective lead and harmony vocals, catchy melodies, and a commercial pop sensibility informed by contemporary R&B and adult contemporary influences. The group’s lineup has been associated with long-term collaborative recording and touring.