Experimental musical instrument As the sun rose the "Sunlight Symphony" played in the reverberant space of the Roland Levinsky Building's open plan foyer. For her 2011 album Biophilia, Icelandic artist Björk developed an instrument based on a Tesla Coil and a second instrument described as a cross between a Gamelan and a Celesta, dubbed the "Gameleste." In 2013, a research team of McGill University came up with digital musical instruments made in the form of Musical Prostheses. In 2014, Andrei Remyannikov of Russia developed the RAV vast drum. Logos Foundation, STEIM, Sonoscopia (Porto) and iii (The Hague) are organisations that focus on the
Musical instrument which produce sound by electronic means. Within each category are many subgroups. The system has been criticised and revised over the years, but remains widely used by ethnomusicologists and organologists. Andre Schaeffner, a curator at the Musée de l'Homme, disagreed with the Hornbostel-Sachs system and developed his own system in 1932. Schaeffner believed that the pure physics of a musical instrument, rather than its specific construction or playing method, should always determine its classification. (Hornbostel-Sachs, for example, divide aerophones on the basis of sound production, but membranophones on the basis of the shape of the instrument). His system divided instruments