iPhone Vibrating During Music

I am not a big music person, but I know many of you are. Apparently, the water tight design of the iPhone leads to some vibration when music is playing fairly loud. I have heard of this issue from friends who are into the music scene. The problem cannot be removed completely because of this water tight design feature, but it can be minimized to some degree. This article describes how to mitigate this issue. Check it out.