Edited from the longer version on his LP “At Basin Street East,” this is Grant’s adaptation of a Ray Charles piano instrumental which Ray had recorded in 1957 and which Atlantic issued on a single in 1960: https://youtu.be/HqrQ1zoMxhA
Pop Chart Peaks: Music Vendor 44, Billboard 55, Cash Box 61 - R&B Chart Peak: 9
Original 45 single issued on Decca 25574 - Sweet Sixteen Bars (Ray Charles) by Earl Grant on piano and organ