Off the top of my head I thought of a few that are still around:
Paul Anka
Fabian
Frankie Avalon
Lloyd Price
Johnny Mathis
Pat Boone
Tony Bennett
Mainly because when they had their heyday in the 50s they were in their teens (some of them) still.
Paul Anka
Fabian
Frankie Avalon
Lloyd Price
Johnny Mathis
Pat Boone
Tony Bennett
Mainly because when they had their heyday in the 50s they were in their teens (some of them) still.