It's the smallest, quickest and hippest gig in town and takes place in the back of a London black cab. 40 times in the past six months, a London taxi has been hailed by a cameraman, sound recordist and a band, including the Kooks, Death Cab for Cutie and the Raveonettes, and turned into a music venue for the Black Cab Sessions.
You can see the video http://larryfire.wordpress.com/2008/06/03/one-song-one-take-one-cab/ here.

LOL.
"There was this one guy in the bus who just looked at me like.."
i loved ben's expression.