Note: Gadahn said he gave up heavy metal/death metal when he became a Muslim.
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2004/05/27/CALIF.TMP
'Average American boy' accused as terrorist
There, Pearlman said, he grew to love watching television, using a computer and the Internet and listening to heavy metal rock music, which she disparaged.
"He was listening to that awful, awful stuff," she said.
More on Yahiye Adam Gadahn's (EOM?) heavy metal music obsession:
http://islamic-world.net/dakwah/Conversion23.htm
"In the meantime, I had become obsessed with demonic Heavy Metal music, something the rest of my family (as I now realize, rightfully so) was not happy with. My entire life was focused on expanding my music collection."
EOM posted the lyrics of "Horror Movie" as his pre-9/11 warning on the MSNBC board.
http://homelandsecurityus.com/0911P.htm
EOM is Yahiye Adam Gadahn. I'd put money on it.
And I wonder if his Al Qaeda friends know about his Jewish heritage.