From the MCRFB NEWS archive: 1966 R&B Stations Ride High in Frequency Across Major U. S. Radio Markets         DETROIT — R&B radio stations are having a banner year and many have turned into powerhouses in major markets in general. For example, WCHB here in Detroit is No. 3 during the daytime … Continue reading R&B WCHB TAKE RATINGS LEAD IN BANNER YEAR . . . AUGUST 13, 1966