I began to sing harmony as a child. The melody was pretty. Then, I began to harmonize--and experienced a rush I had not known before as two voices blended to become something different which was even more beautiful.
I have always preferred to sing & play in an ensemble. This is always more fun to me. A fiddle, combined with my pennywhistle, becomes a separate instrument that is unlike any other--and there are certainly many beautiful combinations of instruments.
And, yes, although I sing Soprano, I still prefer to sing harmony.