Fred Hersch’s short notes on the composition:

Skipping (2009) – Let the drummer play over the 6/4 vamp at the end of each chorus.

Leadsheet is as recorded on:  Fred Hersch Trtio “Whirl” (Palmetto 2143) – sheet written and edited by Fred Hersch.

Leadsheet – No transciption!

Also available on fmscore as instrumental Bb-sheet as part of the Fred Hersch Jazz Compilation.