[Moozar]

I recently sifted through my bootleg collection and these 3 have me confused. I received them from someone I normally trust but they just look wrong to my amateur eyes:

Track 1:
spectrum: http://imgur.com/I9xMx.jpg
frequency: http://imgur.com/BrhMd.jpg
song snippet [wav format]: http://www.sendspace.com/file/gf5e51

Track 2:
spectrum: http://imgur.com/be4rM.jpg
frequency: http://imgur.com/SJ0fG.jpg
snippet: http://www.sendspace.com/file/ga26dl

Track 3:
spectrum: http://imgur.com/RAbkU.jpg
frequency: http://imgur.com/eJQ8L.jpg
snippet: http://www.sendspace.com/file/96cqwk

Unfortunately I can't find any info on equipment used for taping, who transferred this how etc.