Falling in love with someone just because of their voice?

I always find myself attracted to people with a good voice (men and women) and I remeber that my first love was a guy with a very sexy raspy voice (like Kurt Cobain's or Brian Johnson's voice) and until this day I can't get over it.
So do you think that's normal? And in your opinion is voice an important feature in a SO?
Falling in love with someone just because of their voice?
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