Sandman: ...proves nothing other than the taste of those listeners in 2007...
Pesky consumers! When will they ever learn?

Brian: ...anything by Fairport Convention would fall smack in the mainstream of 'Folk'. I don't get upset about it.

When Fairport had their first whack at Yellow Bird they tried to claim Norman Luboff as a 'traditional arrangement.' Publishers everywhere just rolled their eyes and billed them for the standard mechanical rights. Second time around proper ASCAP credit was given to the composer + Alan & Marilyn Bergman (lyrics.)

If you're doing this for money, run your personal consumer preference definitions past the usual pop sausage grinders.

PS: There's some Bob Dylan & Joni Mitchell on those first few Fairport albums. Some Mudcatters would call that something dirty, others would not & most don't care either way.