Fran, the Auto Orchestra is what I used in the 70's and 80's...still have it...somewhere. I used it with guitar and a set of bass pedals. The volume pedal had 4 switches activated with your right foot...minors, 7ths, etc. You held the root bass note with your left foot. Always thought it was from the Solton Group. Got it and the first MS-60 from the Petosa Music Company in Seattle at the suggestion of Tony Lovello, one of the original Three Suns. He used accordions and automatic devices supplied by Petosa, whom I understood to be the experts in auto accompaniment field. I plan to try to find it out back and "fire it up". It was working fine when I "retired it" and began using the MS 60's.

It is the one in the photo you attached, plus the pedals.


R.

[This message has been edited by captain Russ (edited 06-22-2009).]