That's ringing in the ears. It has many causes and no real cure. Just a few formulas that can bring relief to some of us. I've had it ever since I tried to help another band fix their monitors while they were playing a song - huh? That's right, ringing ever since.

My wife showed me this website, used by a co-worker, who says she found some relief from the pills. FWIW... http://wholehealthproducts.com/index.cfm?fuseaction=product.display&Product_ID=88