U2 is a band.
Bono . He is best known as the lead vocalist and primary lyricist of rock band U2 . Songs of Innocence is the thirteenth studio album by Irish rock band U2 . `` Sunday Bloody Sunday '' is a song by Irish rock band U2 . The Joshua Tree is the fifth studio album by Irish rock band U2 . U2 . The group consists of Bono ( lead vocals and rhythm guitar ) , the Edge ( lead guitar , keyboards , and backing vocals ) , Adam Clayton ( bass guitar ) , and Larry Mullen Jr. ( drums and percussion ) .