To answer all of your questions the PLAYLIST from my DJ stint on @SohoRadio 11-2-2016
The theme:  so-called ‘pop’ records which were adapted from so-called ‘classical music’ sources or thereabouts…relive it at https://www.mixcloud.com/sohoradio/soho-garage-11022016/

Here’s the List and - thank you for listening and taking an interest…
THE WINTER CONSORT:  ‘Allemande’ (A&M) 1968
LOVE SCULPTURE:  ‘Sabre Dance’ (Parlophone) 1969
LEONARD BERNSTEIN: spoken word intro from 
‘The Norton Lectures’ (Harvard University) 1973
ERIC CARMEN:  ‘All By Myself’ (Arista) 1975
THE NEW  YORK ROCK ENSEMBLE (ESP-DISK) ‘Partita #3’ 1969
TONY BENNETT:  ‘Stranger in Paradise’ (CBS) 1955
MOTT THE HOOPLE:  ‘All The Young Dudes’ (RCA)1972
WORLD OF LEATHER:  ‘World of Leather’ (Soundcakes) 1995
ABBA: ‘WATERLOO’: (Epic) 1972 
another bit of DJ-ing looking at this theme in greater detail is imminent…stay tuned…as they say in the trade...