At Classical IPR, we're frequently asked for classical versions of songs by the Beatles. Below is a (not at all exhaustive) list of some albums with links for more information.
Manuel Barrueco Plays Lennon and McCartney
Cello Submarine (Cellists of the Berlin Philharmonic)
The Canadian Brass: All You Need is Love
The King's Singers: Beatles Connection
Here, There, and Everywhere: Goran Sollscher Plays the Beatles
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