In late 1983, the station dropped adult contemporary and adopted an oldies format, using the call letters WMRZ with General Manager John Haggard, Program Director & Middays; Chad Stevens, Mornings; Dan Lucas, and Afternoons; Marty McCrae and Sandy McKay. Two years later it was sold to WLLR-FM.
At the end of 1983, the radio station shifted from contemporary adult music to a classic oldies format, with WMRZ as its new identity, led by General Manager John Haggard, Program Director Chad Stevens, morning hosts Dan Lucas and Marty McCrae, and afternoon host Sandy McKay. Two years later, it was sold to WLLR-FM.