[The solo] started off as an experiment, and I'd been doing that sort of solo in another number which is Son and Daughter, long before we put it on the album, but in a sense, with things like that - which are essentially a live thing - you just put a kind of taste on the album. Strangely enough, we didn't think we could do the main part of the song on stage, ‘cause it's got quite a lot on it in the album, a lot of overdubs and stuff, but strangely enough, it's just one of those things if you try hard enough it comes, and the excitement sort of makes up for the things which aren't there.