Ondes Martenot
Ondes Martenot is an electronic musical instrument or keyboard instrument.
Also recorded as ondes musicales.
Overview
Early electronic musical instrument.
In detail
Ondes Martenot is an electronic musical instrument or keyboard instrument.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Ondes Martenot”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q862501: Ondes Martenot
Consult the source