At least this tries to make classical music fun
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Well, Classical music refers to a style dominated by Italy, France, and German-speaking regions between 1700's and 1800's so that would explain why it seems as if it's a rich white folk arena. Class tensions were high at that time and the Classical music that people refer to came out of Western Europe which was full of white people.
Arabs have their own classical music but you'd have to specify that type directly rather than just say "classical".