Witchcraft in the fields. Clara Rockmore Performs Tchaikovsky’s Valse Sentimentale. The Theramin has come a long way from the science fiction horror movie accompaniment of the fifties, with all those cardboard nightmares in their flying saucers. Jean Michelle Jarre tried to make a showman’s chic about it and its sounds have been interwoven into the triphop psyche thanks to the likes of portishead. But before it all, back in the days of the electric tarot, it was a real instrument, wielded by shaky handed witches who wove subtle epileptic dreams.