Rapper says 'A Film Unfinished' 'really affected me'
Adam Yauch says 'I feel better' after cancer treatment
Adam Horowitz has mixed a song for the rockers
Salt 'N' Pepa, Grandmaster Flash also set for Butlins event
Rapper also reveals he could be well enough to play Coachella
Rapper gives fans an update on his recovery
Plus rapper thanks Jay-Z, Coldplay and Karen O for support
Rapper releases video announcing his condition
Dungen, The Faint also added to California festival
Rap trio sample legend after he talks about them on radio