U2 is an Irish rock band featuring Bono (Paul David Hewson) on vocals and guitar, The Edge (David Howell Evans) on guitar and pianos and vocals, Adam Clayton on bass, and Larry Mullen Jr on drums and vocals.
U2 has been one of the most popular rock bands in the world since the 1980s. They have sold over 120 million albums worldwide, had six #1 albums in the U.S. and are widely considered as one of the most successful groups of the last 25 years. The band is also very politically active in human rights causes, such as the Make Poverty History campaign.