The Chicago Tribune's William Mullen reports on a couple of violin makers who took the "Vieuxtemps" Guarneri del Gesu

http://www.chicagotribune.com/features/ct-talk-ct-scan-violin-20100318,0,302433.story
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Minnesota Orchestra violinist Roger Frisch played his instrument while undergoing brain surgery to ease tremors in his right hand, ABC News reports (with video):
http://abcnews.go.com/WN/WorldNews/cutting-edge-treating-tremors-deep-brain-stimulation/story?id=10138705