There's something absurd about reviewing an album like [Led Zeppelin III]. It's like reviewing Love Story. No one is the least interested in what you say. Don't expect mass audiences to turn away from Love Story to go see an Italian western just because Bruce Harris said that the combined talent that went into making the movie wouldn't be enough to come up with an effective circular for the A&P.

Likewise, there isn't a reason in the world why Led Zeppelin should even bother to be good, having the charts sewn up the way they do, but the fact is, music lovers, that on this LP, if not on their previous two, the Zep have demonstrated that they are first-rate supermusicians, and that, with the current drought in Rock artistry, they aren't only good, they're one of the best….

Immigrant Song, for instance, is one of the...