Just turned 71. Sold all my basses except one Precision. Cleaning out the closet. Amazing how much stuff I've accumulated since I first heard Maca in 1964. Here are two great resources for you Jazz players. A wealth of information on the 2-5 and 2-5-1 progression. These books are for Intermediate and/or advanced players. "Turnarounds; Cycles & 2-5's": Jamey Abersold "2-5-1 Progression": Jamey Abersold Let me know if you're looking for something particular. I may have it buried in the closet. Shipping is FREE to lower 48. No shipments to Alaska or Hawaii (unless you want to pay actual charges.) No international shipments.