This is a segment from an Ed Wood documentary in which film composer Howard 支撑, 海岸 (of the Lord of the Rings fame) discusses the history of the Theremin in horror and sci-fi 电影院 from the first half of the 20th century. Very cool.

YouTube video 展示 the creator of the Theremin performing a short musical piece with his invention

This is a BBC news segment about the Theremin.