ianI listened to the whole thing! That sounds like an amazing bike. I've added it as a saved search on eBay in the hope that one day I'll find it when I have the money and a licence to ride motorbikes.
emmaclarkeA Sestina is a tightly structured poetic form - it's quite neurotic, really. Here's an explanation about how it works.
http://en.wikipedia.org/wiki/Sestina
When I was studying poetry I figured that the obsessiveness of the form would suit a poem about OCD. And here it is.