Producer: Omar A Rodriguez-Lopez - Artist: The Mars Volta - Recording Engineer: Jonathon DeBaun - Mixer: Omar A Rodriguez-Lopez - Mastering Engineer: Howie Weinberg - Other: The Mars Volta

Producer: Omar A Rodriguez-Lopez - Artist: The Mars Volta - Writer: Cedric Bixler Zavala - Recording Engineer: Andrew Scheps - Recording Engineer: Jonathon DeBaun - Recording Engineer: Dave Schiffman - Recording Engineer: Omar A Rodriguez-Lopez - Asst. Recording Engineer: Paul Pilsneniks - Asst. Recording Engineer: Claudius Mittendorfer - Mix Engineer: Rich Costey - Assistant Mixer: Claudius Mittendorfer - Mastering Engineer: Howie Weinberg - Mastering Engineer: Roger Lian - Vocalist: Cedric Bixler Zavala - Guitar: Omar A Rodriguez-Lopez - Drums: Jon Theodore - Bass Guitar: Juan Alderete - Keyboards: Ikey Owens - Flute: Adrian Terrazas - Percussion: Marcel Rodriguez - Piano: Larry Harlow - Guitar: John Frusciante