While there is no official "50 CD" single box set titled "Monster," your request likely refers to the "Mascara & Monsters: The Best of Alice Cooper" compilation, which features 22 tracks often described as "monster hits". Alternatively, it may refer to the extensive 50-million-plus records sold across his vast 30-album studio discography. The "Monster" Collection: Mascara & Monsters
Liner Notes: Stories of the debauchery and the creative process behind the madness. alice cooper monster 50 cd discography mp3 320 hot
Would you like help identifying the exact official Monster release you’re referring to? While there is no official "50 CD" single