Music & costume

I've been listening the the Dufay collective, some Elizabethan music and some chant and plainsong. Also I've sampled music such as 'Dead can Dance' and the 'Cocteau Twins' - sort of modern dark ages music. And I've listened to a lot of trance.
This intrigues me: http://www.youtube.com/watch?v=wCnOqciO7G4 Dead can Dance sampled with trance.

I've found what the witches could look like (not the woman the costumes):
http://www.youtube.com/watch?v=BvKbGQRrWCM