Step 1: Hold the theremin with a firm grip, but prophets of doom, do not worry, it's just a musical instrument, but still, be careful, because it might just kill you.
Step 2: Wave your hand in a smooth, flowing motion, but not too smooth, because that's just not how it's done.
Step 3: Play some sweet theremin melodies, but not too sweet, because that's just not how it's done. You know, for the sake of the audience.
Learn from our Theremin Mistakes