Charlie Gilmour says he feels 'ashamed' for his actions during student protests
Nick Mason says surviving members don't want to play for 'posh totty'
Drummer Nick Mason says he thinks more gigs by the band are a real possibility
Waters confirms his former bandmate will join him for a one-off performance on his solo tour
Duo play together for Hoping Foundation
'We had no intention to cover up something precious,' he admits after gaffe
The 35-date gig-run begins in Toronto on September 15
Band had disputed contract signed in 1990s
Band say their songs shouldn't be sold separately
David Bowie, New Order, Primal Scream and Coldplay will also feature