U2 are an Irish rock band from Dublin. Formed in 1976, the group consists of Bono, the Edge, Adam Clayton, and Larry Mullen Jr.. U2's early sound was rooted in post-punk but eventually grew to incorporate influences from many genres of popular music. Throughout the group's musical pursuits, they have maintained a sound built on melodic instrumentals. Their lyrics, often embellished with spiritual imagery, focus on personal themes and sociopolitical concerns...
(wikipedia)