In the documentary Black Sabbath: Paranoid, guitarist Tony Iommi said the idea for “Planet Caravan” started as an impromptu jam session in the studio. Iommi began with the track’s signature riff, ...

“Planet Caravan” isn’t exactly a deep cut. However, it is a sorely underrated song from Black Sabbath. And it has historically gotten a bit of flak through the years. It’s an admittedly not very heavy ...