You can watch a live version of ‚Ballad of Lou the Welterweight‘ shot at a sound check by Vice Magazine at Southpaw in Brooklyn.
http://www.vbs.tv/player.php?bctid=512723193
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Captain Beefheart to audience: Is everyone feeling all right? Audience: Yeahhhhh!!! awright...!!! Captain Beefheart: That's not a soulful question, that's a medical question. It's too hot in here.