30 Seconds to Mars is an American rock band from Los Angeles, California, formed in 1998. The band features actor Jared Leto as vocalist, rhythm guitarist and songwriter.HistoryFormationCreated in 1998 by Jared Leto's brother, Shannon, 30 Seconds to Mars began as a small family project. Matt Wachter later joined the band as bassist and keyboard player. After working with a number of guitarists (as the band's first two guitarists, Kevin Drake and Solon Bixler, left the band due