Here are some links you may find useful
English Folk Dance And Song Society
"In the pantheon of Irish/English folk groups they don’t come much more revered than Flook."
Quote from their Website
Canol on MySpace
Brilliant source for free sheet music and midi files of most tunes you could think of! The site claims to have 350 000.
Chances are you'll find the tune you are looking for.
Canol on Facebook