Hey Guys here is a short lesson on comping through a entire standard using a Major9 structure (3197 eg Gmajor = BGDF# and usingthat through every chord of Giant Steps:

Gmajor=Gmajor9
Ebmajor=Ebmajor9 etc etc
A-7 D7 = Cmaj9
F-7 Bb7 = Abmaj9 etc etc

Hope you enjoy the short lesson Clip