Recently, I attended a concert given by a major symphony orchestra. During a quiet section in the music I heard an unusual sound–like air being blown through a straw–loudly. Looking at the stage, I saw the source of the sound.
Read MoreRecently, I attended a concert given by a major symphony orchestra. During a quiet section in the music I heard an unusual sound–like air being blown through a straw–loudly. Looking at the stage, I saw the source of the sound.
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