Not true. Sound on the 1962 Monk-Duke segment is pretty good!
My complaint is that the CD ends with Duke announcing Monk would be back (to play more) and then the disc ends!
Been enjoying Monk at Newport 59 (& 58) for several years on this release
Available from Amazon
http://www.amazon.com/Live-Newport-1958-59-Thelonious-Monk/dp/B001CWODJE/ref=sr_1_4?ie=UTF8&qid=1366725702&sr=8-4&keywords=thelonious+monk+newport+1958