WILLIAM HINDIN ARTIST MANAGEMENT                                  
​www.whamgmt.com
ONLINE SKYPE GUITAR LESSONS 
https://www.jackgrasseljilljensen.com/store/p154/SUPER_LESSONS.html
THE JAZZ TIMES INTERVIEW
https://jazztimes.com/reviews/books/jack-grassel-reharmonizes-the-real-book/
DOWNBEAT WRITER KEVIN LYNCH recalls a great adventure  
McCoy yelled out, "take it Jack... Jack Grassel remembers McCoy Tyner first hand.  ​​
​CONCERT VIDEO 
http://jackandjilljazz.com/ ​

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