Funny how it goes sometimes: clicking on a link on someone else's blog and then being taken back to the comments section of your own, to a very interesting comment that I hadn't discovered myself yet. Thanks, Martijn!
You can read Trixie's Big Red Motorbike's story as told by their 'producer' Michael Sparrow here. I thought it was too interesting to keep it hidden away in a comment.
This was my original post, including some MP3s.