I always believed in the music we did and that's why it was uncompromising.

With Led Zeppelin, it has always been that mystique of how the music is done - how it works, why it works.

I always believed in the music we did and that's why it was uncompromising.

I don't deal in technique. I deal in emotions

Because somebody plays guitar, why does it mean they need a singer? Because people already have this image of things? No, I'll put my music together, then think about whether I need to embellish it with a singer.

From the first album, Led Zeppelin was always going to be a totally new approach from what had gone before - whether it was approaching the blues or folk music like 'Babe I'm Gonna Leave You': nothing existed like that.