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Harmonic table note layout
From Wikipedia, the free encyclopedia
The Harmonic Table note-layout, or tonal array, is a key layout for musical instruments that offers interesting advantages over the traditional keyboard layout.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/HarmonicTableMusicNoteLayout.png/640px-HarmonicTableMusicNoteLayout.png)
Its symmetrical, hexagonal pattern of interval sequences places the notes of the major and minor triads together. It is sometimes called the Melodic Table note-layout, and more rarely the Triad note-layout. It is related to the Wicki-Hayden based keyboards and other isomorphic keyboards, both of which can be utilized on the jammer keyboard musical interface.[1]