Most probably a 1st gen version of the superb audience recording that was torrented at Dime 2 or 3 years ago.
The giu who taped this one (along with many other gigs) Gibert D. used to use pro mikes he'd hang from poles. And he never got caught while taping! >
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He did get caught cos he would sell his recordings and put ads in French rock mags.
(btw he'd never trade his stuff just sell it...).