What band is actor Jared Leto singer and guitarist with?

Jared Joseph Leto (born December 26, 1971) is an American actor, singer, songwriter, musician, and director.

Leto is the lead vocalist, multi-instrumentalist and main songwriter for Thirty Seconds to Mars, a band he formed in 1998 in Los Angeles, California, with his older brother Shannon Leto. Their debut album, 30 Seconds to Mars (2002), was released to positive reviews but only to limited success. The band achieved worldwide fame with the release of their second album A Beautiful Lie (2005). Their following releases, This Is War (2009) and Love, Lust, Faith and Dreams (2013), received further critical and commercial success. As of September 2014, the band has sold over 15 million albums worldwide. Leto has also directed music videos, including the MTV Video Music Award–winning "The Kill" (2006), "Kings and Queens" (2009), and "Up in the Air" (2013).