university in barcelona. researchers have created an artificial intelligence system that helps. it�*s called telme, which stands for technology—enhanced learning of musical instrument performance. the tiny finger is there to... using trackers on the violin and the bow, as well as an xbox kinect, they can monitor how fast i�*m playing and if i�*m tilting the bow and the quality of contact with the strings. but first, a quick lesson. hey! plays off-key hey! ok! so i�*ve had my crash course in how to play the violin — or hold the violin — and the computer software over there is showing me whether my bow is perpendicular to the string. plays slightly screechy note that�*s helping me keep the bow perfectly perpendicular and stay on that one string. so let�*s try another string. plays slightly screechy note