McCoy also plays the guitar, bass, various percussion instruments (vibraphone, marimba, bells), and keyboards, among others. Known to country music listeners for years, McCoy later became a familiar television face through guest appearances on Hee Haw, finally joining as a full regular from 1976 until 1992 and serving as the music director. He also led the house band on the short-lived NBC series The Nashville Palace (1981). McCoy played harmonica for country music stars Dolly Parton, Johnny Cash, Waylon Jennings, and Willie Nelson, as well as such diverse artists as Elvis Presley, Ringo Starr, Nancy Sinatra,