Jeremy, the club CD that has Paul forgetting his lyrics to Italian Plastic, and the band making them up for a laugh, is the Exit Stage Left in Melbourne 96'
It is a funny moment- "I bring you plates from Rome, you say they look Satanistic. You say you are on a trip, you better believe it baby." That was Nick singing that part, Neil behaves himself and sings the next verse. Mark changes verse 3 and says "I went to Melbourne, Paul, Nick and Neil were there too. They said they loved Jesus Christ and I said Thats Cool.
I think thats what Mark said anyway, it's coming from memory as I cannot be bothered to play the tape and fast forward, it is a Sunday and I am chilling out.