An evening with Thelonious Monk at the Five Spot Cafe. Jelly Roll Morton's recordings for the Library of Congress. Langston Hughes reading poetry to the sound of jazz. The tragic life of Billie Holiday. Over the years, Martin Williams has explored subjects both intimate and imposing, always with a sharp eye and prose as musical as his beloved jazz. In Jazz Changes, he brings together some of the finest pieces he has written over the last thirty years...