Definitely my favorite genres of music are: Hardcore, metal, trash
And bands like : Megadeath, Disturbed, Stuck Mojo, old Metallica, Antrax, Sabaton and many others
If you still want to build T-21 from PVC these pictures should a little help you.
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http://picasaweb.google.pl/105428956715878963961/TutorialDLT21?authkey=Gv1sRgCMT074_6isS4BQ#