The various Omnichord models feature a touch plate that the user strums, organ-like chords, preset drum rhythms and auto-bass line functionality. A grid of buttons allow the user to select major, minor, and 7th chords to be triggered by the strum plate, chord buttons and bassline accompaniment.
Production ceased with the OM-300 model in 1996. In later years, it underwent a resurgence in popularity due to renewed interest in vintage electronic instruments.[2] A new model, the OM-108, was released in 2024.
Production
Omnichord OM-27
The Suzuki Musical Instrument Corporation released the first Omnichord, the OM-27, in 1981, alongside another instrument, the Tronichord (also known as the Portachord).[2] It was aimed at people without musical experience who might be intimidated by traditional keyboard instruments.[3]
The OM-27 featured 27 chord buttons, a strum plate, preset drum machine rhythms, controls for volume, tempo and sustain.[2] It featured only one sound, "harp".[2] In 1984, Suzuki released the OM-36, with 36 chord shapes, and the OM-84, with 84 chord shapes, both with an improved strum plate.[2]
The next model, OM-100, repositioned the strum plate to make it more comfortable to play, and added guitar, piano, banjo, jazz organ, flute, organ, chime, brass, vibraphone and synthesizer sounds.[2] The OM-250, introduced in 1989, added a MIDI out port to enable connectivity with other electronic instruments.[2] The OM-300, released in the early 1990s, added a MIDI in port, a chord sequencer, and different sounds. In 1999, the Suzuki rereleased the Omnichord as the Q-Chord, with a redesigned body, additional sounds, an improved speaker, and an expansion slot for song storage.[2]
Around the 2020s, interest in the Omnichord grew with the rise in experimental music genres and interest in older electronic instruments.[4] In 2024, Suzuki announced a new model, the OM-108, with analoge circuitry, emulations of previous models, new sounds and drum presets, and the ability to play the chord buttons like a keyboard or drum pad.[5]
Omnichords feature preset rhythm patterns with tempo and volume control, as well as an auto-bass line feature, which the player can combine to use as a musical accompaniment. The Omnichord's most unique feature is the Sonic Strings strum plate, that allows the player to 'strum' arpeggios like a guitar.[6] Several later models of the Omnichord added MIDI compatibility, a greater selection of sounds for the Sonic Strings, vibrato, and chord memory, called Chord Computer.
The Omnichord was primarily designed as an accompaniment instrument instead of a melody instrument,[6] an ideal way to accompany a singer with basic rhythms and the ability to easily play chords[7] with little music theory knowledge.
A percussion section that plays rock, waltz, slow rock, Latin, foxtrot and swing rhythms, with adjustable tempo and volume.
A chord generator providing different triad and seventh chords, either as organ-like chords or walking bass. The original OM-27 was only capable of playing 27 different chords, but later models allow 84 different chords.
A Sonic Strings section producing an arpeggio or isolated notes from a chosen chord over a 4-octave span, played using the touch strip. The notes played on the touch strip are always in tune with the chord button currently selected.[8] Later models featured a selection of different voices for the Sonic Strings, including vibes, brass, organ, guitar and banjo.[6]
Later models feature a chord sequencer in a Chord Memory section that would allow the user to record up to 51 chords in sequence and play them back automatically or via a footswitch.[6] In 2023, Pitchfork wrote that the Omnichord "feels like a toy", with "cheap" sounds.[9]
Users
The Omnichord's ease of use regardless of musical ability or music theory knowledge of made it popular with a range of users.[2] It was particularly popular in Japan, where it was used in pop and electronic music, advertisements for products such as Coca-Cola and the Walkman, and in music education to create backing tracks for students to play to.[2]
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