
The theremin, invented by Russian scientist Leon Theremin, is frequently called the world's first electronic musical instrument. The instrument, which produces an otherworldly sound, was invented in 1928 and demonstrated in 1929. The theremin uses two radio frequency oscillators, one fixed and one variable, to generate musical notes. The player controls the pitch and volume by moving their hands around the instrument's two metal antennas.
| Characteristics | Values |
|---|---|
| Inventor of the first electric instrument | Leon Theremin (Lev Sergeyevich Termen) |
| Year of invention | 1920s |
| Other names for the instrument | Theremin, Electronde |
| Other early electric instruments | Coupleux-Givelet synthesizer, Telharmonium |
| Year of invention of other early electric instruments | 1929, 1906 |
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What You'll Learn

Leon Theremin invented the theremin in 1924
The theremin, invented by Leon Theremin in 1924, is considered one of the first electronic musical instruments and the first to be mass-produced. Born Lev Sergeyevich Termen in Saint Petersburg, Russian Empire, in 1896, Theremin was a Russian inventor and physicist, with a passion for music and physics from a young age.
Theremin first demonstrated his eponymous invention to a group of Russian physicists in 1920, and again in 1922 to Lenin, who was so impressed that he sent the inventor on a tour of Russia, Europe, and the United States. In 1924, Theremin toured Europe, showcasing his invention to packed audiences. He arrived in New York in December 1927, where he performed for Rachmaninoff and Toscanini, among others.
Theremin's instrument is unique in that it is played without any physical contact. The player moves their hands next to two wires, manipulating the electromagnetic fields between the antennas to raise or lower the pitch. This creates an otherworldly sound that ranges from a drone to a whine.
In 1928, Theremin earned a US patent for his invention and granted commercial production rights to RCA, which began manufacturing and marketing the "thereminvox" under license. Despite its technological significance, the theremin was not a commercial success due to its difficulty to play and the economic climate of the Great Depression. However, it found a virtuoso in Clara Rockmore, a fellow Russian émigré, who developed her own unique technique to master the instrument.
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The Coupleux-Givelet synthesizer was introduced in 1929
The history of electric musical instruments is a long and fascinating one, dating back to the 18th century. Electricity was first used in the design of musical instruments in 1761 when J.B. Delaborde of Paris invented an electric harpsichord. The Coupleux-Givelet synthesizer, also known as the Orgue des Ondes, was a significant development in this history, introduced in 1929 at the Paris Exposition.
The synthesizer was the brainchild of radio engineer Armand Givelet and organ builder Edouard Eloi Coupleux. Together, they set out to build upon Coupleux's experience with the Clavier à Lampe to create something truly innovative. The instrument they devised used a player-piano-like paper roll to "play" electronic circuits that generated tone waveforms. This provided an unprecedented level of control over pitch, tone colour, loudness, and note articulation.
The Coupleux-Givelet synthesizer was a remarkable technical achievement and a true pioneer in the world of electronic musical instruments. Unlike traditional player pianos, this synthesizer allowed for a level of nuance and control that was previously unattainable. The principles of score encoding and sound control embodied in this instrument have become increasingly influential as electronic musical instrument technology has evolved.
The Coupleux-Givelet synthesizer's introduction in 1929 marked a pivotal moment in the evolution of music. It demonstrated the vast potential of electronic instruments and expanded the possibilities for composers and musicians. While the synthesizer was a groundbreaking invention, it unfortunately led the inventors into bankruptcy, as it was too ahead of its time for the market. Nonetheless, the impact of the Coupleux-Givelet synthesizer continues to resonate, influencing the development of contemporary electronic musical instruments.
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The first electronic organ was made in 1935
The electronic organ, also known as the electrophones, is a musical instrument that produces sound using electronic circuitry. The first electronic organ was made in 1935, known as the Hammond Organ Model A. It was invented by Laurens Hammond and John M. Hanert and was first unveiled to the public in April 1935, with the first model released in June of the same year. The Hammond Organ was originally marketed as a lower-cost alternative to wind-driven pipe organs for churches. It quickly became popular with professional jazz musicians and was widely used in organ trios.
The development of the first electronic organ was influenced by Thaddeus Cahill's Telharmonium, which demonstrated the use of different electrical waveforms to synthesize real-world instrument sounds. The Telharmonium, however, predated the advent of modern electronics. The Hammond Organ used additive synthesis of waveforms from harmonic series created by mechanical tonewheels rotating in front of electromagnetic pickups. The waveforms were then mixed by sliding drawbars mounted above the two keyboards, allowing for a wide range of sounds and volumes.
The Hammond Organ Model A contained most of the features that became standard on console Hammonds, including two 61-key manuals, a 25-key pedalboard, an expression pedal, and 12 reverse-color preset keys. The model BC was introduced in December 1936 to address concerns that the sound of the Hammond Organ was not rich enough to accurately mimic a pipe organ. This new model included a chorus generator, adding slightly sharp or flat tones to each note, enhancing the overall sound.
The success of the Hammond Organ led to the development of transistor organs in the 1960s, with the company introducing the X-66 in May 1967. This new model bridged the gap between tonewheel and transistor technology, using electronics for frequency division. While the Hammond Organ was a groundbreaking innovation, it is important to note that it is considered electric or electromechanical rather than purely electronic due to its sound production through moving parts.
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The Mellotron, an electro-mechanical, polyphonic keyboard, was developed in the 1960s
The Mellotron was one of the first polyphonic instruments, meaning that several keys could be played at once to produce the sound of a musical chord. The Mellotron's complex mechanical tape players were also the source of great frustration. The wheels and rollers driving the tape rack had to be regularly adjusted to prevent the tape speed from becoming erratic. Misalignment between the tape heads and the tapes was common, leading to poor-quality sound.
The first Mellotron, the Mk I, was built in 1963 by the newly formed company Mellotronics. It featured two manuals organized side by side, each with 35 keys and sounds. The right side contained the lead instruments, while the left had rhythms and arrangements. The idea was that you could play entire songs with just a few fingers. The Mk II, which came out the following year, featured a full complement of "stations," multiple rhythm sections, and lead instruments arranged onto multitrack tape. It was designed for home and club use and was purchased by cognoscenti of the time like Peter Sellers and Princess Margaret. The BBC also bought one, which they loaded with custom foley sounds for use in the Radiophonic Workshop.
The Mellotron was adopted by rock and pop groups in the mid to late 1960s. One of the first pop songs featuring the Mellotron was Manfred Mann's "Semi-Detached, Suburban Mr. James" (1966). The Beatles used it on tracks including the hit single Strawberry Fields Forever (1967). The Moody Blues keyboardist Mike Pinder used it extensively on the band's 1967 album Days of Future Passed as well as the group's following six albums. During the 1970s, the Mellotron became common in progressive rock, used by groups such as King Crimson, Yes, and Genesis.
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The first electric instrument was invented in 1761
In the late 19th and early 20th centuries, several inventors created new electronic instruments. One of the earliest instruments to generate musical tones by purely electric means was William Duddell's singing arc, demonstrated in London in 1899. The singing arc featured a keyboard that enabled the player to change the rate of pulsation of an exposed electric arc, producing distinct musical notes.
Another early electronic instrument was the theremin, invented by Russian scientist Leon Theremin in 1920. The theremin produces sound through two primary circuits: one controlling pitch and the other controlling volume. The pitch circuit uses two tuned radio frequency oscillators, one fixed and the other variable. The first generates waves at a static frequency, while the second can produce a range of frequencies and is connected to a vertical antenna. Through a process called heterodyning, signals from the two oscillators are mixed together, and the resulting frequency is amplified to produce a musical tone. The theremin's sound has been described as "otherworldly," and it has been featured in many movie soundtracks, including "Spellbound," "The Lost Weekend," and "The Day the Earth Stood Still."
The largest and most advanced early electric instrument was Thaddeus Cahill's Telharmonium, completed in 1906. The Telharmonium employed large rotary generators to produce alternating electric waveforms and telephone receivers equipped with horns to convert these waveforms into audible sounds.
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Frequently asked questions
An electronic instrument is any musical instrument that produces or modifies sounds by electric or electronic means. The electronic element in such music is determined by the composer, and the sounds themselves are made or changed electronically.
The theremin, frequently called the world's first electronic instrument, was invented by Russian scientist Leon (Lev) Theremin in 1928.
The theremin's tremulous tones are often described as "otherworldly". The sound of the instrument is often associated with eerie situations and has been used in movie soundtracks like The Lost Weekend, The Day the Earth Stood Still, and First Man.
Electricity was used in the design of musical instruments as early as 1761 when J.B. Delaborde of Paris invented an electric harpsichord. Other early electric instruments include William Duddell's singing arc, demonstrated in London in 1899, and Thaddeus Cahill's Telharmonium, completed in 1906.









































