Where was the keyboard that Brian Jones plays in the song "2000 Light Years from Home" originally developed?
Mellotron The Mellotron is an electro-mechanical, polyphonic tape replay keyboard originally developed and built in Birmingham, England, in 1963. It evolved from a similar instrument, the Chamberlin, but could be mass-produced more effectively. The instrument works by pulling a section of magnetic tape across a head. Different portions of the tape can be played to access different sounds.
Chordboard The chordboard is an electronic musical instrument based on software, and played by a keyboard controller. One implementation is a set of four MIDI keyboards arranged vertically. The patent for this musical technology obtained by Grant Johnson, inventor, in 1995, specifically identifies the seven chords that exist for each key signature, and how these key signatures can be selected at any time while playing the instrument to achieve a key signature change, and thus an instant change in chords. In every key signature there are seven chords, and each of these chords are identified on the chordboard as follows (signified by Nashville Notation):