to me it also sounds like a beer can opening. And then Gord drinks some and gets ready for the last part of the song. That's what I thought initially, and then I said "nah, it can't be". But it sure sounds like it. As for removing the capo, isn't the whole song played without a capo?. I hope I haven't been doing it wrong!. Plus, when I remove my capo, I don't that cracking sound