Potent as the First Verse

I'm thinking about these festivals for this summer:

http://www.larmertreefestival.com/
LARMER TREE - DORSET - 15-17 JULY

http://www.hebceltfest.com
HEBRIDEAN CELTIC FESTIVAL - LEWIS - 13-16 JULY

http://www.glastonburyfestivals.co.uk/
GLASTONBURY FESTIVAL - PILTON - 24-26 JUNE

http://womad.org/festivals/event.lasso?festival_id=24&section=overview&-session=womad:1FC860FECF66C8B3AB0AA229E4DC2F2D
WOMAD - RIVERMEAD - 29-31 JULY

So I suppose I'd better sort my leave out now...