The mid-70's brought citizens band (CB) radios into the public consciousness. It spawned movies, a Saturday morning cartoon (1977's C. B. Bears), and a 1-hit wonder by C. W. McCall (real name: William Fries).
McCall's "Convoy" was used, I think, in the movie of the same name.
This clip is culled from an episode of VH1's 8 Track Flashback toward the end of that series' run, hosted by actress Suzanne Somers (ex-Three's Company, She's The Sheriff), and the performance itself, as credited, is from The Mike Douglas Show: