I've never been that much of a fan, I respect the man more than I actually like his music. But this was really good - best bits are Johnny Marr and Brian May illustrating how they "adapted" RG's guitar parts for their own:
http://www.bbc.co.uk/radio2/musicclub/doc_rorygallagher.shtml
http://www.bbc.co.uk/radio2/musicclub/doc_rorygallagher.shtml