According to information on both
Now for the disclaimer part: it is NOT clear if John, or anyone else for that matter, is a part of the line-up for this event, despite the live line-up posted on the project's Myspace page some months ago. There's nothing explained on the page and the band's lineup has now been redefined and it says only "Nicole and friends". By buying a ticket, you're accepting all the risks and you're responsible for your actions. Of course, if you're interested in the project either way or if you don't live that far away, please do not take this little digression as something offensive, as it is just a friendly note/warning for the majority, based on their interests and bias.
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Read about the album's credits and see the album art
Pre-order the Man Meat LP
Buy lossless tracks from Swahili Blonde on Boomkat
Information on the David Bowie tribute album