Don't know if you are still around MoonlitSunshine but I am a vocalist myself and one of my friends sings in a choir and it takes a certain skill to be able to harmonize without the tenancy to "take over" or become too forward in the singing. I struggle with that for lack of experience singing in groups.
However, I LOVE LOVE LOVE the sound of a multitude of voices blended together. I don't think there is anything quite like that
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