Cool, this underground rave stuff back in the late 80's early 90's was the beginning of the whole EDM thing but much rawer, hipper and cool... I dont have much info on the recordings but put this link on the downloads...
https://en.wikipedia.org/wiki/Castlemorton_Common_Festival
https://en.wikipedia.org/wiki/Spiral_Tribe

Images for all shows as well as full size images for this show.

Images for this show:

SpiralTribe1992CastlemortonUK_pt2.png