Donny Hathaway - A Song For You
https://www.youtube.com/watch?v=HeHiio1sTTI
A Song For You - Willie Nelson, Ray Charles, Leon Russell
https://www.youtube.com/watch?v=2UW4ELmVD9M
A SONG FOR YOU - Leon Russell & Friends (1971)
https://www.youtube.com/watch?v=37dw2r45Xzg
I remember the Donny song and may have it somewhere. :)