The Beastie Boys were an American hip hop group from New York City formed in 1981. The group was composed of Michael "Mike D" Diamond (vocals, drums), Adam "MCA" Yauch (vocals, bass) and Adam "Ad-Rock" Horovitz (vocals, guitar, programming). The Beastie Boys have sold 26 million records in the United States and 50 million records worldwide, making them the biggest-selling rap group since Billboard began recording sales in 1991. With seven platinum-selling albums from 1986 to 2004, the Beastie Boys were one of the longest-lived hip hop acts worldwide. In 2012, they became the third rap group to be inducted into the Rock and Roll Hall of Fame.