Let me explain a little more...
For several years that I have been teaching jazz violin, for my students, I try to find shorter paths than those I have taken in order to obtain faster results, and especially in terms of sound.
This is how I have discerned 6 elements that I use daily to have a jazz sound. These 6 secrets that I am going to share with you are not official or categorized in a book that you can find elsewhere: it is the personal experience that I have acquired during all these years that has allowed me to distinguish these 6 elements.