Choral term used to describe a boy whose voice has not yet broken, and can sing really really high. A pre-requisite to being a treble is you have to be small, annoying, and small.
See also, Alto, Tenor, Baritone, Bass, Hugo.
*Squeaky voice* : Hi, my names Fred, and I like cellos!
*Choir master* : Excellent, you're the next Treble soloist!
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