Fans of the band would never confuse the airy, sparkling ballad “Thank You” for the grandly dense epic “Achilles Last Stand.” Yet those are two of the eight Led Zeppelin songs with one thing in common ...

At the height of Led Zeppelin’s fame in 1975, Robert Plant called himself a “golden god,” a phrase he delivered with his tongue firmly in cheek. In the nearly 50 years since he uttered those words, ...