That song (especially the instrumental version) is prime elevator music, but I'm amazed you hadn't heard it since the sixties.
You're right August! I must have heard it at various stages during my life on the radio, just don't recall. The phrase 'Elevator Music' has triggered the memory 'of me in standing in elevators as a kid, listening to this tune.
And there we go...I must have seen the Blues Brothers 4 or 5 times during its heyday and heard the snipped of 'The Girl from Ipanema' from that scene you posted. I just didn't click...don't I feel slightly duncey!
Loved those Blues Brothers parties we used to have in the 80s
