Sometimes they were on the liner notes and other times not. Glen did receive some credit for his session work. He had an album out called "The Folkswingers" with Billy Strange and others.

Barney played on early Presley records. He had a funny story, he went back to Oklahoma, his home state and the people he knew there said to him, "When are you gonna' learn to pick the gee tar?" Roy Clark was more their model.

Tommy Tedesco could read anything put in front of him. He was originally an accountant.
He worked at Capitol often around the clock packing a lunch sack with him and found a place to nap.

No musicians got credit for sound tracks in the movies except for the composer of the score and the musical administrator. The credits went to those musicians on outside recordings that were used in the movie.