original_query: What is the significance of the album "We're Only in It for the Money" in pop music history?
query: What is the significance of the Mothers of Invention's album "We're Only in It for the Money" in pop music history?
answer: It's widely considered a peak of the group's late 1960s work, showcasing highly creative audio editing and production, and ruthlessly satirizing the hippie and flower power phenomena.  The cover art also parodied the Beatles' Sgt. Pepper's Lonely Hearts Club Band.