Well after this evening's news I feel like now is as good a time as any to have a regularly updated post on acts that are not going to be at the 50th anniversary.  Please post the evidence for your addition and I will add it to the list! Needs to be a verified source or an obvious date clash, not speculation.  Fleetwood Mac - Emily Eavis interview 13/10/19 Led Zeppelin - Emily Eavis interview 13/10/19 Green Day - tour dates Ariana Grande - confirmed no tour in 2020