Hüsker Dü was an American rock band formed in Saint Paul, Minnesota, in 1979. The band's continual members were guitarist/vocalist Bob Mould, bassist/vocalist Greg Norton, and drummer/vocalist Grant Hart. Hüsker Dü first gained notability as a hardcore punk band, later crossing over into alternative rock. Mould and Hart were the principal songwriters for Hüsker Dü, with Hart's higher-pitched vocals and Mould's baritone taking the lead in alternating songs.