"Immigrant Song" is a song by the English rock band Led Zeppelin. It is built on a repeating riff and features lyrical references to Norse mythology, with singer Robert Plant's howling vocals mentioning war-making and Valhalla. The song was included on their third studio album, Led Zeppelin III, and was released as a single, which charted in several countries. Several live recordings have also been issued on Led Zeppelin concert albums and other artists have recorded renditions of the song.