George played on Gary's second solo album, 1971's 'Footprint,' just as Wright had played for Harrison the year before on 'All Things Must Pass.'
The duo's version of the song outdid the one by its writer, Dave Mason.
The Motown classic has a history that also embraces Stevie's former wife Syreeta, Michael McDonald and Rufus Wainwright.
The double set covered his already numerous incarnations on record, all the way back to the Yardbirds.
The 1967 classic has been remade every which way from reggae and disco, and by everyone from the Everly Brothers to Joe Cocker.