There is a Folk Club in Robin Hoods Bay on a Friday night in the Dolphin, there are numerous bed and breakfast accommodation house but they are popular it may be prudent to book in advance.
The links between Robin Hood and the bay are tentative to say the least and thats being generous !
If you want to find festivals go to the Google search engine, typr in froots and look up there festival list it's quite comprehensive. As Les from Hull said the first weekend in May (which also has a bank holiday on the monday) see the Moor and Coast Festival at Whitby, Holmfirth, about 20 miles from Bradford has it's festival 2 weeks later and there are a whole host of festivals from May onwards the length and breathd of our wonderful country.
Ciders tend to be about 5% by volume alcohol in bars (draught)except in the West Country were Scrumpy may be found, this is NOT for amateurs. Bottled or tins of Cider can range up to 11% by volume, these are normally consumed by the Alkies who linger in some of our towns. They and the cider they drink are best avoided