"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. "Capricorn (A Brand New Name)" has been critically appreciated, with reviewers complimenting its fusion of different genres. The song reached number 31 on the Billboard's Mainstream Rock Tracks and topped the Heatseekers Songs chart. The accompanying music video takes place in the California desert where band is playing in a ditch. It aired on August 6, 2002, and received airplay at MTV, MTV2, Brand New and MuchMusic USA. On November 18, 2002, 30 Seconds to Mars performed “Capricorn (A Brand New Name)” for the first time on television on Last Call with Carson Daly, which aired on November 27, 2002.