I heard Quennel do this. The chords are simple, but the melody is nice.
This starts with a 7-3-6 and ends up on this NASTY chord.
The comas in this movement indicate when the right hand chord changes while the left hand chord & base stay the same.
Key Ab
-/-/F,G,Ab,Bb
G/F-Bb-D/F-A-C, Bb
C/E-Bb/E-G-Bb-Db, Eb-Ab-C
F/Eb-G-Ab-C/Eb-G-Bb, C-Eb-Ab
D/D-Ab-C/Ab-C-Eb-G,Ab-C-F
Eb/Db-F-Ab-C/G-C-Eb,F-Bb-Db
Eb/Db-E-G-A-C/Eb-G-C,Db-E-Bb (

)