Mixture of Indian raga, North African, Jazz and Post Romantic. The Manuscript was found blowing around at Saumur in 1940. after he was shot in the back as a despatch rider. He was only 29 ! Try the Litanies!never heard of him until now. Free music!
https://imslp.org/wiki/L'Oeuvre_d'orgue_(Alain,_Jehan)
http://www.jehanalain.ch/EN/spartiti.php?id_sezione=8
Welcome to the Forum @crystalbrincks Great post, but should be something or someone beginning with D. Old hands, especially me, get it wrong! So I'm going to say:Theremin.
This instrument is weird because it requires no touch to be played, instead one produces sound by moving their hands in proximity to two “antennas”.