Sopranist

A sopranist (also, sopranista or male soprano) is a male singer who is able to sing in the vocal tessitura of a soprano usually through the use of falsetto vocal production. This voice type is a specific kind of countertenor. In rare cases an adult man may be able to sing in the soprano range using his normal or modal voice and not falsetto due to...
Found on http://en.wikipedia.org/wiki/Sopranist

Sopranist

• (n.) A treble singer.
Found on http://thinkexist.com/dictionary/meaning/sopranist/

Sopranist

So·pra'nist noun (Mus.) A treble singer.
Found on http://www.encyclo.co.uk/webster/S/146

Sopranist

A sopranist is a treble singer.
Found on http://www.probertencyclopaedia.com/browse/VS.HTM
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