It’s worth watching. And now…http://www.youtube.com/watch?v=CDWHpDbz3To
Fantastic - really cool! But - where is the audience? 
They never showed the audience in the video. They did show behind the stage , which was open and may look like no one was there. But this was jazz gig and if 100 people show thats a lot . 
Neil the keyboard player used to be in the Band called The Machine, A Pink floyd tribute. At outdoor shows they could have 6,000 to 10,000 people show up. 
I guess Pink Floyd is more popular than Jazz.