The LP "Very rare" by T-Bone Walker was recorded late 1972 / early 1973 and finished around june 1973.
Side 3 contain: Three corn patches (2) / Just a little bit (4);
Side 4 contains: If you don't com back (2).
The backing vocals on these three tracks are The Sweet Inspirations.
The connection with the Elvis' recordings from july 1973 is clear.
Here scan from the labels.