The Mars Volta is an American progressive rock band from El Paso, Texas, formed in 2001. The band's only constant members are Omar Rodríguez-López (guitar, producer, direction) and Cedric Bixler-Zavala (vocals, lyrics), whose partnership forms the core of the band. The band's current line-up also includes founding member Eva Gardner (bass), Omar's brother Marcel Rodríguez-López (keyboards, synths, percussion), Linda-Philomène Tsoungui (drums) and Leo Genovese (keyboards, saxophone). .
