Here's the second part of the video demonstrating MusicReader running on the Cunningham Composer piano's touchscreen monitor.  Ink, highlight, and stamp annotations can be easily "drawn" on the screen with a finger, and just as easily erased.  All the benefits of paper and pencil are retained beautifully with this instrument/program combination without any of the physical limitations, such as indelible color ink on paper, torn or missing pages, or misplaced scores.

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