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John Cooksey has studied changing male voices for two decades. Cooksey says choir directors need to use care when working with adolescent boys. He says they require music that fits their new range of notes. |
(MPR Photo/Tim Post)
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John Cooksey has studied changing male voices for two decades. Cooksey says choir directors need to use care when working with adolescent boys. He says they require music that fits their new range of notes. |
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