[SeekAndFind]

Yes. Billy Preston was the only musician to be credited on a Beatles recording, apart from the original four members. The 1969 single Get Back was credited to ‘The Beatles with Billy Preston’.

He also did The Concert For Bangla Desh with George Harrison and Ringo Starr.

[4yearlurker]

I saw a recent interview with Ringo and he stated that Billy Preston never made a mistake on the keyboard. "Once he put his fingers on the keys he played the song perfect right through" he stated.