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Thaddeus Cahill invented the telharmonium.
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First public performances of Thaddeus Cahill's Dynamophone, also known as the Telharmonium
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Futurism movement founded by Filippo Tommaso Marinetti.
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Léon Theremin starts developing the Aetherophone (later Theremin), the first electronic instrument with a unique performance technique.
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Stefan Wolpe uses eight gramophones at different speeds in a Dada performance.
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Darius Milhaud experiments with record manipulation to create music.
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Léon Theremin completes the Aetherophone (later named the Theremin).
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Maurice Martenot builds the Ondes Martenot (first called the Ondes Musicales).
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René Bertrand developes the Dynaphone, a dial operated vacuum tube oscillator instrument.
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Léon Theremin completes the Rhythmicon for Henry Cowell who commissioned it - a machine to play musical rhythms with the same relationships as the overtone series.
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Clara Rockmore performs on the Theremin in concerts worldwide.
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Edgard Varèse writes to both the Guggenhaim foundation and Bell Labs attempting, unsuccessfully, to secure funding for an electronic music studio.
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Percy Grainger and Edgard Varèse separately experiment with record manipulation to create music.
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Harald Bode creates the Melodium, a monophonic touch sensitive keyboard instrument.
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John Cage performs Imaginary Landscape No 1, the first performance to include live electronics (turntables & test-tone records).
