Well, you can listen to it here (or download m4a files which in this case are mp3 level of detail, not as good as cd): https://archive.org/details/ArgoEmarcyandVerveSmallGroupBuddyRichSessions. I had a sort of strange impression of Buddy Rich from my youth in the 50s and especially the 60s. You would see him now and then on TV doing some humongous, over the top, over long drum solo and looking like death warmed over. So I wasn't too attracted. But the Mosaic set turns out great, lots of fine players and good stuff. He really was a top drummer. Booklet: https://musicbrainz.org/release/595f02e2-355b-48d7-a8a7-f9ffefa8cb03/cover-art