'Boogie Chillen',' by John Lee Hooker - that is a riff.

It was an extraordinary connection, the synergy within the band. There was an area of ESP between Robert Plant, John Paul Jones, John Bonham, and myself.

John Peel made his reputation with his radio show and his record label, Dandelion, by championing the underdog.

From meeting Robert Plant, John Bonham, and John Paul Jones, teaming up, rehearsing, playing selected gigs outside of Britain, coming back into Olympic Studios to record the first album, and then going to America, which we crack open like a nut with the debut record - all that happened, literally, within months.

The passing of John Bonham... Let's just put it... Before we say, 'the passing of John Bonham,' the introduction of John Bonham on the first album and 'Good Times Bad Times,' it changes drumming overnight.

We're doing John first, and then bringing out Lee.