"Capricorn (A Brand New Name)" is the debut song by American rock band Thirty Seconds to Mars. The song was released by Immortal Records on July 23, 2002, as the lead single from the band's self-titled debut album. The song was written by Jared Leto and was produced by Bob Ezrin, Brian Virtue and 30 Seconds to Mars. According to Jared Leto, the song is about a desire for renewal. "Capricorn (A Brand New Name)" first appearance was on the compilation Rock Tune Up #249 released by The Album Network on April 5, 2002.