Anthrax is an American heavy metal band from New York City, formed in 1981 by rhythm guitarist Scott Ian and bassist Dan Lilker. The group is considered one of the leaders of the thrash metal scene from the 1980s and is part of the "Big Four" of the genre, along with Metallica, Megadeth and Slayer. They were also one of the first thrash metal bands (along with Overkill and Nuclear Assault) to emerge from the East Coast. The band has released 11 studio albums, several other albums, and 26 singles, including collaborating on a single with American hip hop group Public Enemy. According to Nielsen SoundScan, Anthrax sold 2.5 million records in the United States from 1991 to 2004, with worldwide sales of 10 million. Four of the band's studio albums have also achieved gold certifications by the RIAA, including their third full-length record Among the Living (1987), which cemented Anthrax's reputation as one of the most successful thrash metal bands. Anthrax's lineup has changed numerous times over their career, leaving Ian as the only constant member of the band. The band has had a revolving cast of singers and lead guitarists, including Neil Turbin, John Bush, Dan Spitz and Rob Caggiano. Since 2013, the band has consisted of Ian, drummer Charlie Benante, bassist Frank Bello, vocalist Joey Belladonna and lead guitarist Jonathan Donais. Ian and Benante (who replaced one-time drummer Greg D'Angelo in 1983) are the only two members to appear on every album, while Bello has been a member of Anthrax since 1984, replacing original bassist Dan Lilker. After two stints in Anthrax, from 1984 to 1992 and again from 2005 to 2007, Belladonna returned to the band in 2010.