Jim Pepper will always be best remembered for his popular recording of "Witchi-Tai-To," a peyote chant put to music. Pepper, who is definitively profiled in the hour-long documentary Pepper's Pow Wow (available on video), infused advanced jazz with the influence of his Native American heritage. The son of a father who also played saxophone, Pepper early in life loved to tap dance. He largely taught himself both tenor and clarinet, developing a soulful sound and keeping his style open to both free expression and the influence of world music. Pepper grew up in Oklahoma and moved...