Re: Period vs Modern instruments?

"Dr.Matt" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> We DO still have chitarrones, gambas, and arpeggiones.
> And kotos, qins, shos, rebabs, detars, reyongs, and even accordions.

Are they successful instruments?  Aren't there practical
problems with many of them that have prevented them
from gaining wider use?  Might it be worth while rethinking
their design and seeing if there's a way of solving those
problems?