Deep Purple

In the years when kids wondered what the lyrics of Stairway to Heaven were hiding, what the prism of Dark Side Of The Moon represented, in the years when many thought that Black Sabbath had come straight from hell and that the Hermit with his Four Symbols might lead us to Paradise, in those same years there was a band that was only focused on playing and was traveling the world promoting a piece that talked about a fucking fire in a casino.