Question: The country music artist who recorder a cover cersion of Am I That Easy to Forget which reached #11 country in 1960 started out as part of which band as a teenager in the late 1940s? 
Sentence (from "I'm a One-Woman Man"): The song was twice recorded by American country music artist George Jones: first released on the album "The Crown Prince of Country Music" retitled "One Woman Man" in 1960, and later as "I'm a One Woman Man" released in November 1988 as the first single from his album "One Woman Man".
Relevant evidence: No