The exciting thing about Neil potentially headlining is that 2009 was a very generous and casual fan friendly setlist (for Neil...)
How will he even equal that feeling in 2025 without going over the same ground?
Heart of Gold and Rockin in the Free World will inevitably appear again, and there are more accessible songs like Like a Hurricane, Harvest Moon, After the Goldrush and Old Man that would fare well, but it might be difficult to draw in the crowd with his more recent setlists.
I wouldn't be surprised if he started acoustic this time to mix things up. It's not something that's done often on the Pyramid Stage... although I remember he did that at IOW 2009 and some reviewer criticised him for starting with slow, obscure songs, so the next night he opened with "All Along the Watchtower" and "A Day in the Life" 🤣 Hilarious...