1954 The Chordettes "Mr Sandman" 45rpm

This is the original version of Mr. Sandman by The Chordettes released in 1954 on Cadence label #1247, and backed with "I Don't Want to See You Crying". The single reached #1 on US Billboard Charts and #11 on the UK charts in 1954. The Four Aces version charted even higher to #9 on the UK charts. Numerous version were released by names such as The Supremes, Chet Atkins, Marvin Gaye and The Chipmunks as well as many others.
Notice the Cadence records founder gets credit on label "Knees played by Archie Bleyer"

quick listen links:
Mr Sandman - https://www.youtube.com/watch?v=oNuX7bs2qAM
I Don't Wanna See You Cryin' - https://www.youtube.com/watch?v=mGz0bvfT2GM