Legendary jazz performances (the Savory Collection) from radio broadcasts available

Here's the link to an article (the soundclip is better, with samples from the collection) from NPR about 1930's radio broadcast transcriptions of legendary jazz performers--formerly unavailable and now for sale on iTunes (I have no affiliation).

http://www.npr.org/2016/12/08/504696831/once-the-stuff-of-jazz-legend-1930s-recordings-are-finally-o...