Here is my ans
Dear Miss Roy,
You probably are not aware of the fact that the exams are but a week away and I have to prepare for it. You have loud music on at all times of day and sometimes even at night. This really disrupts my studies as I cannot concentrate.
It is my earnest wish that you keep the blaring of your speakers down till my exams end so that I can at least concentrate in me studies. I would be extremely grateful to you for your assistance in this matter.