U2 is an Irish rock hudení group that was founded in 1976. Its members are singer Bono (real name Paul David Hewson), guitarist The Edge (real name David Howell Evans), bassist Adam Clayton and drummer Larry Mullen, Jr. The band is one of the most popular rock band in the world. For about thirty years of its existence has sold over 100 million copies of the records of the group. Members (especially Bono) are very active in promoting human rights.