John Oswald has made some really wild collage music. Here is the allmusic review of this album. Here is the emusic entry, which is interesting because of the artist listings for the tracks. This is the track entitled ‘power’.
From Wikipedia:
“His 1975 track “Power” married frenetic Led Zeppelin guitars to the impassioned exhortations of a Southern US evangelist years before hip hop discovered the potency of the same (and related) ingredients.”
I like this particular track loud.
One of the first mashup series I ever heard was 
