^ I don't think he means he's being uncredited or that you're stealing his work.
Only that - frankly - you're really the only name associated with "Revisited," and it's easy for the masses to forget other creative minds behind the final masterpiece.
The exact same thing happens in hollywood, really.
Big-name directors get all the credit for a movie that hundreds of people worked on. It's not the director's fault. It's just how people view things. Angel would seem to understand this. Nothing more.