This is somewhat common during brain surgery. If the patient plays a wonky note (or stops playing altogether) it might be because the surgeon cut or poked the w

This is somewhat common during brain surgery. If the patient plays a wonky note (or stops playing altogether) it might be because the surgeon cut or poked the wrong spot. See another example from a month ago [1] where a musician had dystonia, so playing guitar was actually a tight feedback loop for the surgeon to see if his fingers were becoming less cramped by the procedure. [1] http://globalnews.ca/news/3614414/video-shows-indian-musician-playing-guitar-during-brain-surgery/ http://globalnews.ca/news/3614414/video-shows-indian-musicia...