Five days. Forty Bands. One Million Smiles. The third weekend in October each year, the annual Sun Valley Jazz Music Festival celebrates a history of jazz music. Attendees from all fifty states, every Canadian province, and several foreign countries gather each October to celebrate live performances of Americas music. The Sun Valley Jazz Music Festival was birthed out of a love and appreciation for jazz music by Tom Barbara Hazzard and is held mid-October each year at the Sun Valley Inn in Sun Valley, Idaho. More Info below.