Yes, I have actually very good headphones. I've heard from somehwere that you have to do it a few times. I really do it few and far between. Perhaps there is a good dose for me to "practice" on?

Yes, I bought the mp3 album off iTunes. and I heard that nobody really is immune

I've read all the stickies, attempted all the tips and tricks (counting, breathing, visualizing.) it's been about 2 years now that I've been listening to them and not have any effects. I haven't been listening to them like, one a day or anything. Is that what I need to do to become susceptible?