Question: What album by American musician Prince was the first to feature his band The Revolution and had the contoversial song Darling Nikki which eventually led to the use of "Parental Advisory" stickers and imprints on album covers? 
Sentence (from "Darling Nikki"): Though the song was not released as a single, it gained wide notoriety for its sexual lyrics and in particular a reference to masturbation.
Relevant evidence: No