- Led Zeppelin"s blend of rock and heavy metal with other genres of music such as blues, soul, folk, pop, Indian and Celtic ranks them as one of the all-time greatest bands whose influence is still felt today. Taking a chronological look at their career, "Led Zeppelin Revealed" takes the reader from the heady days in 1968 when they first brought their unique sound to a worldwide audience, through the early 1970s when they were billed as the "biggest band in the world" and became household names on both sides of the Atlantic, to 1980.