FRANK ZAPPA & THE MOTHERS OF INVENTION Playground Psychotics (1992 US 57-track double CD set. This album moves beyond mere Rock & Roll into the dangerous realm of social anthropology. It offers to younger musicians thechance to participate vicariously in the touring world of the early 1970's (way back when it was still sort of fun to do); fat double case with picture sleeve, fold-out insert D274244)