Suzuki OM-108 OmnichordReleased in 1981, the Omnichord is an electronic musical instrument with an automatic accompaniment function (auto bass chord) and equipped with a harp sensor. By pressing a chord button and sliding your finger on the harp sensor (strumplate), an arpeggio corresponding to the chord is heard, allowing anyone to easily accompany a song. The Omnichord name was discontinued after the OM 300 (released in 1996), but its popularity as a unique musical