I am experiencing a buzzing sound coming from the right side of my Late 2008 mbp when playing music (especially piano music). I am unsure if the buzzing is coming from the speakers, sub woofer, or if the keys are being rattled by the frequencies to create the buzzing sound. Has anyone else experienced this? The computer is about 2 months old so I just cant take it in to exchange it. I use external speakers for the majority of the time. But since I'm now home from school for a few weeks I am using only my internal speakers and it is beginning to bug me. Any help, advice, recommendations would be greatly appreciated. Thanks for your time!