Hey Stephen; So you did get a surbahar. I've always been curious about surbahars. How to they compare to sitar in terms of playing style, heft and balance in the hand (and on the foot) and so forth. So as to not "knot-up" this thread, perhaps start a new one.
Scroll down the page until you see the typewriter graphic on the left. Immediately to the right is the beginning of the mp3 section - first one is a vocal, "Abdul Karim KHAN, Lalit". The rest of the files on the right to the bottom of the page are mp3s - check out the radio shows! You can download QuickTime for free from here: http://www.apple.com/quicktime/download/