Wolfgang's Vault has the 1975 Newport Avery Fischer Hall performance. I think it is the last recorded Monk. (He did appear the next year but I've never seen a recording of it.). Despite Monk's condition at the time, I think this is a pretty good concert. Certainly of historical interest.
https://www.wolfgangs.com/music/thelonious-monk-quartet/audio/20020457-51182.html?tid=4855879