A host of big-name acts join the funksters at the mammoth dates...
Producer Rick Rubin is putting the record together...
Tickets go on sale this weekend - and you can get them from NME.COM...
All 200,000 tickets to see the funk-rock veterans are snapped up...
The American rock giants confirm three dates for the summer...
The US rockers play Phoenix Park in summer 2004...
John Frusciante kicks off 2004 with 'Shadows Collide With People'...
The rock heavyweights play an LA benefit show for a cancer research centre...
They're releasing their greatest hits, two new songs, rare videos, live DVDs etc etc...
And it's "diverse and dynamic good feeling shit" apparently...