durring the solo between 5:18 - 5:27 min he does this wierd noise and my guitar teachers, guitar playing friends, and i cant figure out what he is doing. i have also heard this noise being played on the children on bodom "follow the reaper" on the last 2 or so tracks and on the derek sherinian's "black utopia" on the begining of track 4. can anyone help me out cause i really wanna be able to do that. also i recently got a new guitar with a free floating tremolo and i would like to learn some cool tricks i could do with it. thanks in advance.