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Great piece of AC/DC and Led Zep crossover. Funnily enough, I see RP has gone down the Bonham route too with his excellent add just now - great minds!
Anyway, went full-on trademark Bonham at this, giving my right foot a serious workout in those gaps whilst I was at it - it could do with the practice!
Other than that, tried to keep it more Zep than AC/DC.