Led Zeppelin represents the appeal of rock and roll at its most base, a transporting assault on the senses. It’s an art form that has, obviously, the capacity to be thought-provoking, but if it doesn’t first make you feel, it’s not doing its job. That’s what the essence of a good rock song is all about, and you can see that it doesn’t take a lot of props to present a memorable spectacle. Led Zeppelin on stage in their prime made some of our most iconic cultural images, and they didn’t need pyrotechnics or catwalks to do it. It’s all about the energy and attitude, killer riffs, and a nice ass. That might sound like a pretty simple formula, but a lot of people have tried following it and didn’t come close to capturing the magic. You can have the biggest hair and the tightest pants, but you also need to have good songs. A sexy image is the icing on top of the musicianship and songwriting, that’s what makes an iconic group. So the formula is actually not so simple, even for the basics. Good music is ineffable, I guess. There’s no formula for why putting Led Zeppelin IV on the record player is still the quintessential rock fan experience.