That's a chromatic button accordion with "free bass". When the free bass is engaged, both hands have functionally identical keyboards in mirror image (and Richard Pryors hair catches fire). This system is probably the most favored for classical playing and competitions. Here's a link to YouTube for some stuff:
https://www.youtube.com/watch?v=eR8Bc4XO3t8&list=PL1FtbmP7LQ9RoxzVfwQNLmyKRzkX6cvOf
Does she hire Weird Al for fill-in gigs?
Free bass? We're having fish for our free lunch? Or is the musician a Pisces, playing for scale? /channeling Radio Free Oz
Lunkers.
Darn low-rez photo. I can't tell what kind of fish are being displayed. Not lungfish, that I can tell. Mark C.