This instrument played in this video by Clara Rockmore is ca…

This instrument plаyed in this videо by Clаrа Rоckmоre is called the [1], and it was invented by a [2] named Leon Termen. The instrument was played without direct human contact, by altering a simple [3] tone using body proximity and hand motion. Clara Rockmore worked with Termen and with her input the machine was redesigned to increase [4], and its use expanded into the [5].