Ezra Somnitz, 2, couldn't control his laughter. — -- Learning to play the recorder is hard for any toddler. Still, when Ezra Somnitz, who has been deaf since birth, learned to play the wind ...

Remember the recorder? It's that small plastic instrument — looks kind of like a flute or clarinet — that's often the first instrument children learn to play in school. Or, at least, they used to. But ...