It appears to be all about geography and limited mutual calendars. If you look, you'll notice they're missing huge chunks of the country on the tour, as there are only 21 total dates before Bela heads off to Europe w/the Flecktones. This whole tour was spawned when they played together w/the Detroit Symphony Orchestra for 3 nights back in January. My guess is that they dug that 3 night run so much that they "opened up their calendars" and figured out the September/October window was the only mutually available time in the next year, so they booked it. There are a lot of people in NYC, Boston, Philly, DC, Atlanta, Chicago, Seattle, Texas, New Orleans, Vegas, etc. that are saying the same thing you are ......... And there are also a LOT of people in Detroit clamoring for an encore of the January run who also won't get their wish fulfilled. I know I wish I could go (SIGH!!!). Guess you better plan on traveling to Iowa or Arizona if you want to catch this incredible line-up. Bela and Edgar rule!