Now using the open source code, enterprising hackers have jerry-rigged everything from virtual piano keyboards that let users play the piano anywhere, to an application for 3D drawings and digital puppeteering.

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Having made the Piano Concerto No. 2 a virtual calling card by performing it more than two-dozen times last year, Mr. Bronfman returns to the piece this spring.

WSJ: The Importance of Second Chances | Yefim Bronfman | Cultural Conversation by David Mermelstein