Watch the Jazzy Tension online guitar lesson by TrueFire from Play Jazz Guitar 8: Advanced Rhythm Approaches
Jazzy Tension - Overview is a video guitar lesson presented by Brad Carlton and is sourced from Chord Studies: Jazz Turnarounds Vol. 4.
It's important to voice your chords so that there's a melody occurring in the top voices. Here we have a chromatic line moving up G-G#-F-E in the highest voice. Notice also that there's a lot of tension built up on the C7b9b5 which wants to resolve back to the I chord in a very powerful manner.