Because Fez's foster parents are afraid that he is listening to devil-rock music, Hyde shows him how to hide the rock records inside soft-music record jackets. He demonstrates with a record he claims is Alice Cooper and a Pat Boone record jacket. While the Pat Boone record jacket is correct, the record he is holding is actually Led Zeppelin IV. EDIT: Actually, the album he is holding is, in fact, Alice Cooper's "Welcome To My Nightmare".