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Music Theory 101 - Dotted Notes, Rests, Time Signatures and More

By Espie Estrella, About.com

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Bar Lines and Measures

Photo Courtesy of Denelson83 from Wikimedia Commons

Bar Line
Bar lines are the vertical lines you see on a music staff which divides the staff into measures. Inside a measure there are notes and rests corresponding to the number of beats determined by a time signature.

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