The classic science fiction radio wave modulating sounds of a Theremin.

These files are included in this sound pack;

Theremin Modulation 1, 0:01 Theremin Modulation 2, 0:01 Theremin Modulation 3, 0:01 Theremin Modulation 4, 0:01 Theremin Modulation 5, 0:01 Theremin Modulation 6, 0:02 Theremin Modulation 7, 0:02 Theremin Modulation 8, 0:02