Aye Aye Aye Mr Stormalong, here goes....
Not enough list:-
Latvian dance
Zydeco
Rock n Roll
Diddly Diddly sessions
Alpine Horn groups
Playford Workshops
Outer Mongolian native drumming workshops
Camping in town centre
Egyptian/Siamese knick-nack trade tents
Expensive big-name, crowd-pulling acts

Too much list:-
Amateurs singing sea songs
Beer
Old Folkies (or should that be fogies?) enjoying themselves
This is supposed to be a Maritime Festival, right?
:-)