Question: How many dance music does the writer of Gross-Wien Op. 440 composed?
Sentence (from "Loopmasters"): Loopmasters populated the market of pro-quality sound design and was among the first to release samples from renowned performers, producers and DJs such as Deadmau5, Re-Zone, Coldcut, Full Cycle, Mad Professor, Meat Katie, Todd Terry, Ray Keith, DJ Pierre and many dance music icons.
Relevant evidence: No