Have you Heard MONK at the IT club on Mosaic LP?

The recent vinyl remaster and reissue of the Thelonious Monk Quartet at the "IT" club presents some interesting audio peculiarities...in the re-recording and remastering of the original live tapes for this box set the tenor saxophone of Charlie Rouse was found to be off mic and back in the original mix CBS/Sony used for their LP and CD releases.I have the cd and Rouse is back and off mic,one hears that and lives with it as a live music imperfection.If you listen to a lot of live recordings you value the integrity of the performance more than the actual recorded sound. When Mosaic went to remaster these tapes it appears they isolated the actual track the tenor saxophone appears on and "brought it up" in the mix of the recording.
As well as the increased volume of the saxophone there is a constant thumping,on the beat,in my mind it is the foot of Monk,keeping time.Having had the pleasure of seeing Monk at least three times,and sitting very close to the piano,i could not help but notice his foot going crazy.
The "IT" club probably had a wooden stage and this foot pounding must have been picked up by one or two of the recording microphones.And there it is on the records on this set,thump thump thump.... Have you heard this,any comments? Great music by a great band! Thump thump thump...