"All four members of Led Zeppelin have agreed that "Kashmir" is one of their best musical achievements. John Paul Jones suggested that it showcases all of the elements that made up the Led Zeppelin sound. Plant has stated that "Kashmir" is the "definitive Led Zeppelin song", and that it "was one of my favourite [Led] Zeppelin tracks because it possessed all the latent energy and power that wasn't heavy metal. It was something else. It was the pride of Led Zeppelin. During a television interview in January 2008, he also named "Kashmir" as his first choice of all Led Zeppelin songs that he would perform, commenting "I'm most proud of that one". Page has indicated he thinks that the song is one of the band's best compositions."

Это отсюда
_https://en.wikipedia.org/wiki/Kashmir_(song)
Там есть и ссылки на первоисточники. Если интересно - можете копнуть глубже.