The B2B project will document regional capoeira practices and music at their stops at the many capoeira schools that they will visit in their year-long trip from California to Brazil.
Here's a gig story from my days playing with Bira, previously posted here.
You can get some sense of their project at these links:
Rider blogs:
http://sabbaticalbike.org/
http://onegameonetime.blogspot.com/ (some nice essays from B2B rider "Pirata" - recommended)