This has been kicked around a bit, but I couldn't find a thread for it, so I thought I'd give it a proper go. I know a lot of folks have said they'd love a Jack White-led Superjam, and another I heard that I liked was a Dave Grohl superjam. I was hoping for a Woodie Guthrie themed deal last year. But now I think that the best one for my tastes and the possibilities of what could be would be the Superjam curated by Jools Holland. He has a date as "Jools Holland & His Rhythm and Blues Orchestra" in the near future and tickets cost around 50 US dollars. Not sure if he travels to the US to play often though.