So many of them -- Pat Metheny, Philip Catherine, John Abercrombie, Pat Martino, Larry Carlton, Robben Ford, Steve Khan, Kurt Rosenwinkel, David Fiuczynski, Jim Hall, Emily Remler, Bill Frisell, Scott Henderson, Lee Ritenour, Chuck Loeb, Chieli Minucci, Martin Taylor, Mike Stern, Joe Pass, Wes Montgomery, George Benson, Ricardo Silveira and multi-instrumentalist Toots Thielemans.