Formed in 1986, No Doubt are an American rock band who first rose to fame with their 1995 album, Tragic Kingdom. The band consists of singer Gwen Stefani, guitarist Tom Dumont, bassist Tony Kanal, and drummer Adrian Young. Their single, Don't Speak, spent a record 16 weeks at the top of Billboard's Hot 100 airplay chart, despite not being released as a single.
No Doubt never matched the success of Tragic Kingdom, and went on hiatus in 2004, with Stefani releasing 2 successful solo albums. In 2008, the band announced they were working on a new album, Settle Down. It is due to be released in September 2012.