Bass used in Modern Electric Bass - Jaco

[BrodieBear]

hey guys, question, in jaco's Modern Electric Bass video there's an odd lookin fretless he uses on Continuum. the video is here:
http://www.youtube.com/watch?v=Zd14gB2oMVw

anyone got any idea what this bass is?
I'm stumped.

[BassVirtuoso]

Ahh I answered this in some casual post but I think I forget it now...