I must admit I never paid much attention to American Bandstand while growing up... parents weren't pop fans, so I did most of my listening via FM radio in my room, incl. Top 40 countdown segments. Saturday mornings? That was TV cartoon time, man!
Anyway, I hadn't realized the show had run quite as long as it did (from 1952, I mean). In salute of that, I'm picking one artist who came on the scene as the show was "going national" on ABC (1957), and another who topped the pop charts in the final years as AB declined from network mainstay to syndication (1987) to local casino-club attraction (1989) to blackout (mid-90's).
Johnny Cash and his golden bass-baritone voice had a long and storied career, of course, but his breakout on the national scene came with the 1957 album
With His Hot and Blue Guitar featuring crossover hits "I Walk the Line" and "Folsom Prison Blues" which had made the Top 20 in both Country and Pop categories as 1956 Singles.
Folsom Prison Blues
At the other end of the AB arc--and the other end of the male vocal range, I might add--I give you Norwegian synth-pop sensation
a-ha, whose 1985 album
Hunting High and Low maintained strong currency on world singles and airplay charts all thru 1985 and '86, and culminated in several video awards and popular dance-club remixes.