Olivia sings If Not For You on this DVD of the 1974 series

From the blurb:

Olivia Newton-John: We love you! Everybody loved you in the '70s, with your string of five Top Ten hits from Grease, all the way to Physical in '81. Sweet, sexy singer captivated the Midnight Special audience with this cheerful tune.

Midnight Special: More 1974 DVD cover Midnight Special: More 1974 DVD insert

Details
American DVD
Released: 2006
Label: Guthy Renker Entertainment
Catalog Number:  MU0022
Format: NTSC
Screen: 4:3, Sound: Dolby 5:1

Thanks to John Ingram