Howard Sings Ashman is a two-disc album compiled by PS Classics as part of their "Songwriter Series". The album features Howard Ashman singing selections from his musicals, including "God Bless You, Mr. Rosewater" (1979), "Little Shop of Horrors" (1982), "Smile" (1986), "The Little Mermaid" (1989), "Beauty and the Beast" (1991) and "Aladdin" (1992). Using only the above description and what you know about the world, "Howard Ashman does not sing on this album. " is definitely correct, incorrect, or inconclusive? 