sentences:  WMRP-FM aired a beautiful music format while WMRP 1570 played MOR; the conservative owners of the stations prohibited any advertising for tobacco or alcohol products.In 1971, the United Methodist Church withdrew support for WMRP-AM-FM, and the stations were sold that year to John W. Nogaj, who changed the FM's call letters to WWCK in November 1971 as a tribute to Windsor, Ontario's powerhouse CKLW and installed a daytime Top 40 and nighttime AOR format.As AM 1570 they went country and later oldies as WCZN.