Theremin electronic

The theremin, invented in 1920 by Léon Theremin, is an electronic instrument played without physical contact, controlled by electromagnetic fields.

About this subject

The theremin is one of the first fully electronic musical instruments, patented in 1928 by Russian physicist Léon Theremin. It operates using two radio-frequency oscillators that generate an electromagnetic field. The musician moves their hands near two antennas: a vertical one controls frequency (pitch) and a horizontal loop-shaped one controls amplitude (volume). There is no physical contact; the instrument responds to the capacitance of the human body.

Its ethereal and mysterious sound found a place in classical music, with compositions by Bohuslav Martinů and Edgard Varèse, and in pop culture. It was used in film soundtracks such as "The Day the Earth Stood Still" (1951) and in songs like "Good Vibrations" by the Beach Boys and "Whole Lotta Love" by Led Zeppelin. The theremin also influenced the development of synthesizers and motion sensor equipment.

Interestingly, Léon Theremin created the instrument while researching proximity sensors for the Soviet government. The playing technique is extremely challenging, requiring millimetric precision to avoid mis-tuning. Modern variations exist, such as stage theremins and digital versions, keeping alive the tradition of this innovative instrument that continues to fascinate musicians and audiences.

Frequently Asked Questions

Can the theremin be played without touching it?

Yes, the theremin is played by moving the hands near its antennas without physical contact. The hand positions alter the electromagnetic fields, producing different pitches and volumes.

Who invented the theremin and when?

The theremin was invented by Russian physicist Léon Theremin in 1920, with a patent granted in 1928. Initially called the etherphone, the instrument was later named the theremin.

In which famous songs does the theremin appear?

The theremin appears in 'Good Vibrations' by the Beach Boys, 'Whole Lotta Love' by Led Zeppelin, and the soundtrack of 'The Day the Earth Stood Still', among others.