Led Zeppelin built their legend on mystique and mastery, crafting songs that felt more like experiences than radio hits. In the early 70s, they refused to chase singles, focusing instead on full-album storytelling. Yet one track stood out—a slow-building epic of acoustic beauty and electric power, wrapped in lyrical mystery about a woman chasing material illusion. Jimmy Page’s ethereal guitar layers and Robert Plant’s soaring vocals turned it into an anthem that never needed chart placement to c