According to a posting at LargeHeartedBoy the is a recording of Mark Eitzel from the 2007-04-27 show in Copenhagen. It is in Flac format and you need membership of dimeadozen to access it.
Please note that there is a poll in the sidebar on the left where you can now vote for your favourite American Music Club album. Have a quick click and make your vote count.
I have also moved the list of guest appearances into its original post which you can access through the link on the left.