[sdiy] interesting/inspiring user interface for an arpeggiator

[Elain Klopke]

>> It's got a drawn staff with toggle switches placed along the
>> the lines and spaces, one for each note.  It's also got some
>> other nice-looking features.
>
> Yeah, but in my musical world there are black keys too!

David, the fact that it has up-off-down switches may mean that you can
sharp or flat the notes. And there is what looks to be a starting note
select.

-Ian Smith