Calling all readers: we want your Glastonbury pics

This year sees Glastonbury festival celebrate its 40th birthday (give or take a few fallow years). By now you've heard all about our version of events from recent festivals, so now theguardian.com/music wants your pictures from every Glastonbury you've captured on film. Help us say "Happy birthday Glastonbury!" by uploading your pics to our readers' gallery on Flickr and we'll display the best ones on Friday 4 June.