txtCommentary={\f1 Ribs.} The ribs, or sides, consist of at least four strips of wood, ideally cut from the same piece of wood as the back. Their grain patterns should at least be similar. Ribs are planed thin, treated with hot water or steam, and bent to shape with a hot iron before gluing. The outward arching of the back and belly is very important to the sound of the {\uldb instrument}{\v 84565}. Higher arching was once thought to
txtHeading=Anatomy of a String Instrument
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txtCommentary1=provide a sweeter sound. Stradivarius challenged that notion by making {\uldb violins}{\v 105626} with a flatter arching that yielded both melting sweetness and increased {\fs24\uldb\'80}{\v next}
