[sdiy] Re: [AH] Where to get special white keys?

[Ingo Debus]

Am 26.02.2009 um 17:53 schrieb Scott Gravenhorst:

> When any key was pressed down, you could see that 3 or 4 keys were  
> mechanically
> linked together (these other keys went down as well) in a  
> reasonably small local
> area (perhaps twice the size of a hand).  According to the  
> narrator, it was both
> more ergonomic for the human hand and it was easier to remember  
> scale patterns
> because of the lack of an odd pattern of keys that made some scales  
> more difficult
> than others.  It looked to me as if one could transpose music by N  
> semitones simply
> by moving one's hands to the left or right N key positions.  The  
> key buttons looked
> slightly larger than typewriter keys and were arranged in 4 or 5  
> rows skewed like a
> typewriter.

Probably this was just a button accordeon layout:
http://en.wikipedia.org/wiki/Chromatic_button_accordion

Though for transposing you'd have to move the pattern left or right  
as well as up or down, and only two keys are linked.

Ingo