Winfield Scott Moore III was an American guitarist who formed the Blue Moon Boys in 1954, Elvis Presley's backing band. He was studio and touring guitarist for Presley between 1954 and 1968.
Moore in 2000
Moore (right) performing with Elvis Presley (left) in 1956
"Blue Moon of Kentucky" is a waltz written in 1945 by bluegrass musician Bill Monroe and recorded by his band, the Blue Grass Boys. Some think the origins may trace back to "Roll Along, Kentucky Moon"