idk but there are useful county Facebook groups
- ask on

Norfolk Folk Musicians
https://m.facebook.com/groups/291033061010469

and try the Folk Club Map
(open in a browser, not 'maps')
https://www.google.com/maps/d/u/0/viewer?mid=1Tf5UnYW2tZqJO6qcaMDdT3v-4D8JutUK&ll=52.65%2C1.0&z=10
and select the layer for the different days.

! it does look very sparse according to that !