Analysis of information sources in references of the Wikipedia article "List of keytars" in English language version.
The instrument was manufactured by in 1966 by the Swedish manufacturer of electronic tube organs, Joh Mustad AB, in Gothenburg, Sweden and also sold under license in the UK as the 'Livingstone'. Very few of the instruments were sold outside of Sweden but one was purchased by Paul McCartney ( the original score for 'Strawberry Fields Forever' includes a Tubon intro which was replaced by a Chamberlin on the final recording) and by Ralf Hutter of Kraftwerk in the early 1970s.
It is also worth mentioning the use of phasing and the application of ring modulator effects to the keyboard's Tubon sound, which gives the music an industrial quality.
Manufactured by Baldoni MIDI Accord
... I know of at least one other company : Baldoni Accordions . They make a whole line of acoustic and MIDI accordions , including the MIDI - Accord (a strap-on keyboard controller with ...)
BALDONI Midi Accord. Styled as a portable keyboard controller, the Midi Accord gives the feel and performance of an accordion. Features include a 41 note velocity keyboard, 9 channel midi transmission w/ programmable midi program & volume per channel, 256 patch memory, and +/- 12 note transposition. The keyboard can transmit on 3 poly midi channels + a 4th mono (high note priority) channel, chords on 2 midi channels, and bass on 1 midi channel. A separate midi channel can be assigned for rhythm machine as well. A master volume pedal is included with up/down type switch controls for patch changes.
BALDONI Midi Accord. Styled as a portable keyboard controller, the Midi Accord gives the feel and performance of an accordion. Features include a 41 note velocity keyboard, 9 channel midi transmission w/ programmable midi program & volume per channel, 256 patch memory, and +/- 12 note transposition. The keyboard can transmit on 3 poly midi channels + a 4th mono (high note priority) channel, chords on 2 midi channels, and bass on 1 midi channel. A separate midi channel can be assigned for rhythm machine as well. A master volume pedal is included with up/down type switch controls for patch changes.
Baldoni Midi Accord / Digital Piano Accordion 19" 41/120 7lbs / Reedless, Electronic Presets / Requires amp and midi module (sold separately) / Includes Strap and Soft Case
