Okay Dean, I'll bite!  You wrote, "There seem to have been at least 3
variations of mechanism used in the Marque-Ampico."

I can't argue about that 'cos I haven't seen the others, although I
wonder that they saw fit to use the term Marque for a full Ampico.

But you also said:

> Ampico rolls can be played with the Ampico turned off, putting the
> expression control at the hands and feet of the operator.

Well, the Marque Ampico I referred to only had soft base and treble
buttons (plus pedals) for expression, which produced a much inferior
expression control in 88-note mode compared with a Duo-Art or Themodist.

I know where Dean is coming from and I shouldn't have used the term
"not possible" because I was really intending to compare precise
accenting via the "snake bites" (oops, sorry Doug) to the vague,
limited control via the pedals and buttons for un-timed accents.  I was
thinking of the split mode on the 1/2 Duo-Art where the operator does
the accents and the roll gives the accompaniment, a very effective
arrangement -- not possible on the Ampico.

Time to duck for cover!

Cheers,
Darrell Clarke
Adelaide, Australia (pleasantly warm)