"Friends: I'm pleased and proud to announce that I've been chosen to be one of 200 electric guitarists (and 16 bassists) performing in the premiere of Rhys Chatham's "A Crimson Grail 2009" at Lincoln Center's Damrosch Park Bandshell in New York City on Saturday, August 8 at 7:30 PM.
For more information: link
An excellent New York Times article about the work.
The concert is free and open to all. I hope to see you there for what promises to be an historic event!"
via Richard Lainhart
Update: videos here