Its at some place called "the roxy" on Borough High Street. heres the link:

http://www.roxybarandscreen.com/listings.php?event=1143

and heres some of their gumpf:

"This evening's event as part of the London Short Film Festival features two of the best music documentaries ever made, alongside some live music and a unique karaoke experience. Tonight, Matthew, you are... David Byrne!

THE LAST WALTZ
STOP MAKING SENSE
Talking Heads karaoke
Mat Motte (live)"

if you like Talking Heads i suggest you go to this. if you've never Seen Stop Making Sense i suggest you go to this. it looks like some sort of bar so i'm sure they'll be dancing etc. looks amazing.

cheers.