In order to study jazz you need to have a good grasp of how to use the diminished scale. Here are 18 diminished jazz licks that I've accumulated through the years. They are based on the dominant diminished scales and are to be played over altered dominant chords. A full explanation is included with the licks. Each lick is demonstrated up close and slowly on the fretboard then rehearsed by measure. 61 minute video lesson includes all 18 diminished licks with PDF in tab and standard notation.