Question: What is the date of death of the performer of song The Adventures Of Greggery Peccary?
Sentence (from "The Adventures of Greggery Peccary"): "The Adventures of Greggery Peccary" is a piece by Frank Zappa, originally released on the album "Studio Tan" in 1978 and later recompiled into the posthumously released "Läther" album.
Relevant evidence: Yes