Thirty Seconds to Mars is an alternative rock band from Los Angeles, CA formed in 1998. The band is led by award-winning actor, songwriter, and producer Jared Leto. Along with him is his brother Shannon on drums and Tomo Miličević on guitar, who in 2018 took a break from the band for personal reasons. Since 2002, the band has released five albums and set the record for most shows performed during a single album cycle for their album This is War. During the process of making the same album, Leto and his bandmates underwent a lawsuit with EMI. The band documented the whole lawsuit plus the making of the album in the documentary Artifact.