"Jennie Dorris’s four music students each stood, mallets in hand, behind a marimba, which looks a little like a xylophone. They were getting one last look at the original melody they wrote before Dorris erased it from the dry erase board and they had to play it from memory.
"'Take a look at it. Use the contours, look at your instrument,' Dorris told her students. 'Let’s see how it goes.'"
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