idk.

but check:
Mardles
Norfolk, Suffolk, Cambs, Essex 
clubs 
https://www.mardles.org/index.php/whats-on/music-and-song-clubs?showall=&start=3 
&
sessions 
https://www.mardles.org/index.php/whats-on/music-and-song-sessions?showall=&start=3 

& The Folk Music Map
(open this in a browser, not 'maps')
https://www.google.com/maps/d/viewer?ll=52.20182964152822%2C1.3865367088567382&z=11&mid=1d1L8gNDhc6JP84Wyt01-LSEcL_A 

& there were some suggestions a couple of years ago

https://mudcat.org/thread.cfm?threadid=160314 

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