The following info. about each band is written on the cover:
Sparmixdwf: Recorded specially for this on November 7th '94.
Liendre: Tracks from first demo recorded on late 1994.
Guindola: Tracks from first demo.
Septic Goitrous: Live in Madrid on November 27th 1993.
KKDOBJ: Demo Reh 25-5-94.
Pestufator: Tracks from split tape with Clitoris Trafficker.
Lunatic Asylum: Tracks from first demo '94.
Inmundicia Macabra: Tracks from first demo?
Noiseabundos: 2 tracks from Demo 2.
Brutal Noise: 3 live tracks recorded in Barcelona on 1994.
Stomach Noises: 24 tracks specially recorded for this on July 9th 1994.
Cripple Bastards: Recorded on '92/'93.
Andamio: Tracks specially recorded for this on March 15th 1995.
Grunt: Tracks from demo?
Clitoris Trafficker: Tracks from split tape with Pestufator. This is not a sexist or homophobic band, ok? They are looking for a new band's name.
Mayonnaise Massakre: Tracks from split tape with Anal Jackson and Grindionoise.
Genital Masticator: 30 tracks specially recorded for this in 4 tracks on December 31st '94.