noun
ondes Martenot
An early electronic musical instrument invented in 1928 by Maurice Martenot. Known for its eerie, voice-like sound, used in classical and film music.
from French
メシアンは「トゥーランガリラ交響曲」でオンド・マルトノを使用した。
Messiaen used the ondes Martenot in his Turangalîla-Symphonie.