“While great cathedrals survive majestically from the 15th century into the 21st, most of the music heard within them has slept in libraries, and would continue to do so unless kissed back to life by an unlikely mechanical prince: a MIDI synthesizer.” Now some of that music not only lives but is accessible via the Web, thanks to an associate professor at Princeton University, who “has translated 50 unheard scores into an ethereal though artificial sound – completely out of personal curiosity.”