For example, theremin playing movies by experienced players

The termmin is the world's first electronic musical instrument invented by Russian inventor Lech · Thermin, famous for its unusual performance method. It seems that the part that depends on the performance environment seems to be large, and it seems that skill is required for the performance, but the performances of people with high skills are amazing.

Details are as follows. Those who do not know the termmin may find out some of the movies below. In this movie, the right hand adjusts the pitch and the left hand adjusts the volume.
YouTube - Theremin


Green sleeves. The person who is playing Oonishi Yoko seems to be famous as a Thelmin musician.
GreenSleeves - 2 - Google Video


Eric Satie's Gymnopedy No. 1 in the theremin.
YouTube - Theremin Satie


Aliens and Themen match perfectly.
YouTube - Alien Theremin


Performance by Samuel Hoffmann. He is a man who played Theremin in various film music.
YouTube - SAMUEL HOFFMAN Theremin


Because the principle is simple, it is easy to create your own.
YouTube - Kyle's DIY Theremin


The following site is detailed about the theremin.

Friends of the Theremin