Drummer reflects on group's path to 'Dark Side of the Moon,' chronicled in exhaustive new box set
What to look for among new set's 27 discs of mostly previously unreleased performances charting group's formative period
"National Trumpism feels a bit less insidious, but it's just as dangerous," former Pink Floyd member tells Marc Maron on 'WTF'
Performance footage comes from upcoming 'Early Years' box set
Rockers form impromptu supergroup to perform "Forever Young" at Bridge School Benefit
"There are no constraints on records now because nobody pays you anything for them," former Pink Floyd singer says. "Everything's off the table"
Despite "Coachella for old people" baggage, historic event affirmed enduring power of six legendary artists
"Probably 75 percent of it will be old material and 25 percent will be new, but it will be all connected by a general theme," singer says
Rolling Stones, Paul McCartney, the Who, thousands of fans gather in California
Waters floats a "Fuck Trump" pig, the Who crack jokes at electric final night of historic weekend in Indio, California
"Trump Eres Un Pendejo," Pink Floyd rocker says of wannabe wall builder
My Morning Jacket, Dave Matthews, Cage the Elephant, Willie Nelson also join 30th Anniversary lineup for October concert
Collection will include many previously unreleased recordings and films of the band
First batch of LPs will be group's first four full-lengths arriving this spring
Three-day fest dubbed Desert Trip will take place this fall