He is doing a bachelor of BA in music and that doesn’t require an audition (which is stated in the op). If he were doing a BM, that would require an audition.
I think academically, this is a reach for this international student, and they will need to be admitted to Michigan meeting the high academic bar.
And this:
Does University of Michigan give financial aid to international students?
There is no federal financial aid and limited scholarship funding available to international students attending U-M. If you have a F-1, F-2, J-1, J-2, or G-series visa, you are required to show proof of enough resources to meet your expenses and federal regulations limit financial assistance.