30 Seconds to Mars is an American alternative rock band from Los Angeles, California, formed in 1998. The band consists of brothers Jared Leto (lead vocals, guitar, bass, keyboards) and Shannon Leto (drums, percussion). During the course of its existence, it has undergone various line-up changes with the Leto brothers being the only consistent members.
The band's debut album, 30 Seconds to Mars (2002), was produced by Bob Ezrin and released to positive reviews but only to limited commercial success. Read more on Last.fm