Aside from his film career, Jared Leto is the lead vocalist, rhythm guitarist and sole songwriter of the band 30 Seconds to Mars. He started the band in 1998 with his brother, Shannon Leto, who is the band's drummer. The band has released three full-length albums: the eponymous debut 30 Seconds to Mars, 2005's A Beautiful Lie and 2009's This Is War. They began opening for other bands and started their first headlining tour, Forever Night Never Day, in March 2006. In May 2007, the band started touring Europe. In August 2008, Virgin Records filed a $30 million lawsuit against Jared and 30 Seconds to Mars, claiming the band refused to deliver three albums as required by its contract. According to the lawsuit, the band "repudiated" a 1999 contract in July. In late April 2009 the lawsuit with EMI was annulled and 30 Seconds To Mars decided to re-sign with Virgin Records. Their third album This Is War was released on December 8, 2009, while the first single, "Kings and Queens" premiered Tuesday, October 6, 2009."This is War" was the second single of the album.
Leto directed the videos for the songs "The Kill", "From Yesterday" and "Kings and Queens" under the alias of Bartholomew Cubbins , and "A Beautiful Lie" under the alias of Angakok Panipaq.