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 "Am I That Easy to Forget"): Other country music artists who have recorded cover versions of the song include: Skeeter Davis (#11 country, 1960); Ernest Tubb (1960); Gene Vincent (1966); George Jones (1967); Patti Page (1968); Jim Reeves (#12 country, 1973); and Prairie Oyster (1991).
Relevant evidence: Yes