There is some Cochran connection with Glen Campbell, but I don't believe they ever played on the same sessions. Glen moved out to LA in 1959 and some collectors have mistakenly placed Eddie on some of his recordings with the Gee Cee's (get it? GC - Glen Campbell). Various Cochran experts have said it's not Eddie on those recordings, but possibly Glen himself, who could play in a variety of styles. Jerry Capehart was a staff producer and songwriter for Crest, Glen's label, at the time. Jerry Capehart and Sharon Sheeley, were dear friends of Eddie's and writers of some of his best-known records. Both of them also wrote songs for Glen Campbell during his career.
Campbell was a busy session man during the early-mid 60s. Besides the other artists named, he also played on some sessions for Dean Martin and Bobby Darin.
I also have the Anka album, and his Big Band covers of rock songs is actually, in my opinion, superior to that of Pat Boone's In a Metal Mood, from whom Anka stole the concept. (Cheesy pop and big band versions of rock songs have been around as long as rock-n-roll, but Pat had a minor hit with his project a couple of years before the Anka project.) The idea of doing it with metal and grunge tunes is more of a modern novelty.
He Did it His Way-a-billy