Jimmy Page wrote this and first recorded it when he was with still with The Yardbirds. This was the second-to-last Zeppelin song Jimmy Page wrote without any input from Robert Plant, the other being Bron-Yr-Aur. The song is about a love affair. The song was also to be featured on the hit FOX television show "Glee." But Jimmy Page forbade them to use any of their songs. Page said he had great pleasure in doing so. Led Zeppelin played this during acoustic sets on their early tours. Read more on Last.fm.