Question: Church Age is the fourth album by Mr. Del, as a play on which traditional logo that adorns many hip hop albums, the cover of this album features which warning label first introduced by the Recording Industry Association of America (RIAA) in 1986  logo that says "Spiritual Advisory Gospel Content", 
Sentence (from "The Low End Theory"): Regarded as one of the greatest hip hop albums of all time by critics, "The Low End Theory" was very influential to alternative hip hop and was praised for its conscious lyricism and production, which bridged the gap between jazz and hip hop.
Relevant evidence: No