Tribute to Bill Evans.

Jazz Critic Francis Davis will review "Birth of a Notion," the first album by Shadow Vignettes, a 25-member ensemble, led by Chicago-based saxophonist and composer Edward Wilkerson.

On this edition of "Interval," Francis Davis finishes his series on the best jazz recordings of 1982 with his top ten list of "mainstream" jazz albums:

In his regular feature Interval, jazz critic Francis Davis considers the impact of two groups which arose from the Chicago collective, the Association for the Advancement of Creative Musicians (AACM).