You could argue that Hashem gave him his musical ability solely to test Jews, but I’m not buying that; that’s a cop out answer
neither of us have ANY idea why the Boreh created beethoven.
but that “to test Jews” is a cop out answer!?
are you aware that it is an Ikar of Judaism that the entire purpose of EVERYTHING that is created is to test Jews so that they may exercise their Bechirah and earn Olam Ha Boh