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Are these sentences correct?

• Mis hermanos son aficionados a la música española.
• Mis hermanos son fans de la música española.
• Mis hermanos son fanáticos de la música española.
• Mis hermanos son entusiastas de la música española.
• Mis hermanos se entusiasman por la música española.

We can’t use hinchas de because this is for sports only (or is it just football). Is this correct?

Many thanks in advance.

All your sentences are fine. I might probably prefer "se entusiasman con" though.
I have never heard the word "hincha" for anything else than sports, but in principle, one can be "hincha de la música" too. I like more "aficionado". ;)

Thanks so much, AngelicaDeAlquezar.