He told Jimmy Page he wasn't going to do it the night before, causing a major fight
Roger Taylor and John Paul Jones join Dave Grohl onstage to form "superdupergroup" for Freddie Mercury's birthday
Tour follows release of live vinyl EP, 'More Roar'
On the anniversary of the 1975 LP, the guitarist reflects on his roots
"Brandy and Coke" will appear on the upcoming deluxe reissue of 'Physical Graffiti'
Led Zeppelin guitarist also discusses the making of 'Physical Graffiti' and album's 40th anniversary release