[Mr. Jelly]

Originally Posted by JonPR

3rds and 7ths is what jazz musicians do. They're the "guide tones" which indicate the quality of the chord (3rd) and its function (7th). Jazz pianists and guitarists will often play nothing but 3rds and 7ths when accompanying a soloist. Partly because the bass plays the roots (and maybe the 5ths) but mainly because 3rd and 7th are enough to imply the chords.

Thanks. That's exactly what I was looking for. You saved me allot of digging.