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Choral teacher Kathi Bernhard says since she's worked with St. John's VoiceCare Network and John Cooksey, she's learned how to deal with boys' changing voices. |
(MPR Photo/Tim Post)
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Choral teacher Kathi Bernhard says since she's worked with St. John's VoiceCare Network and John Cooksey, she's learned how to deal with boys' changing voices. |
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