OK, here are the writing credits according to Blabbermouth here: http://www.roadrunnerrecords.com/blabbermouth.net/news.aspx?mode=Article&newsitemID=143053
02. El Dorado (Smith/Harris/Dickinson) (6:49)
Maybe Bruce just wrote some of the lyrics. Maybe he wrote them and then Steve re-wrote them and put lots of first person nonsense in there. Yes, that's it.
Or maybe ADRIAN wrote the lyrics. Yeah! Bring back Adrian's lyrics!
The vieo clip was just more maiden cheese, it'll be ok