The Mars Volta was an American rock band, the band's final lineup consisted of which Grammy Award-winning American musician, on vocals, lyrics?
The Mars Volta:  The band's final lineup consisted of Omar Rodríguez-López (guitar, producer, direction), Cedric Bixler-Zavala (vocals, lyrics), Juan Alderete (bass), Marcel Rodríguez-López (keyboards, percussion) and Deantoni Parks (drums).
i don't know