RAI Studio of Musical Phonology

In 1951, the first electronic music studio was conceived from scratch at the WDR Radio of Cologne (Germany) to enable the composition of electronic music sounds.Briefly, the concept of studios evolved up to the 1955 design of the Phonology studio in Milan by Luciano Berio and Bruno Maderna. With nine oscillators, various filters and other sophisticated equipment , the presence of a technician/musician (Marino Zuccheri), the studio was the best equipped in the world at that time.

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http://usoproject.blogspot.com/2008/09/inside-rai-musical-phonology-studio.html