If you mean the version on Vashawn Mitchell's newest CD, "Promises", here's what I came out with:
Key of Ab
LH/RH
BbEbAb/CDbFAb (Bb minor 9..I also threw an 11 in the left hand for color)
(hit Ab with both hands six times in between each chord)
BAb/BDFAb (B diminished or Ab diminished with B natural as your root)
CE/CEbEAb (Ab first inversion with flat 6 or sharped 5th depending on how you look at it, it can be called other things too with the C as your tonic)
FEb/ADbEbAb (F sharped 6, flatted third or just an F7 in the left with a Db major chord in your right)
(repeat)
then after they do that a few times, they through this new change into the bump, really kind of follows the Bb dimished with his bass notes and colors the chords in the right hand create the new age sound, which can be done with any shout/gospel song for reharminization purposes and ends it with a variation of the final chord in the original bump by changing the root to something relative
BbAb/CDbFAb (Bb minor 9)
GF/ABbDF (G minor 9)
ED/DGC (C quartal in right hand with the 3rd in the bass instead of the tonic)
EbDb/GCFA (Eb 13th sharp 11 or flatted 5th)
(repeat)
The third time they do the new change, the keyboardist, (either Danny Weatherspoon or Rick Robinson) spells out an Ab scale going down in thirds to get to the G minor 9 chord, so he hits the BbAb/CDbFAb chord and then plays AbFGEbFDb and falls into GF/ABbDF...
I hope this all makes sense, just a caveat, I typed this out in keyboard format, but it should make enough sense to play on the organ with the lowest note in the left hand with your foot and the chords in the right hand either played with the left hand with a melody in the right or split the right hand chords between the right and left hands....