Or if it isn't it should be. Though, in these days of cuts and threatened privatisation, it's more like a political lack of movement.

I love Dancing at Whitsun. I have a recording of it by Steeleye Span (but it's not a very famous one), and I filked it once (but no-one recognised the original, the filk went down like a lead balloon and I've never sung it since). You'd do it wonderfully.