Ondes Martenot
Maurice Martenot invented the Ondes Martenot in 1928, and soon demonstrated it in Paris. Composers using the instrument ultimately include Boulez, Honegger, Jolivet, Koechlin, Messiaen, Milhaud, Tremblay, and Varèse. Radiohead guitarist and multi-instrumentalist Jonny Greenwood also uses it in his compositions and a plethora of Radiohead songs. In 1937, Messiaen wrote "Fête des belles eaux" for 6 ondes Martenot, and wrote solo parts for it in "Trois petites Liturgies de la Présence Divine" (1943–44) and the "Turangalîla-Symphonie" (1946–48/90).