" Immigrant Song " was written about the Viking invasions of England and inspired by a short tour of Iceland in June 1970 . It was released as a single in the US and became a top 20 hit . It was the opening song for the band 's appearance at the Bath Festival of Blues and Progressive Music and subsequent gigs for the next two years . It was popularised in the 2003 movie '' School of Rock '' after Jack Black made a short video with fans asking for permission . Page clarified that the song 's opening is a combination of a voice and echo feedback
short tour of Iceland
Led Zeppelin Tour of Iceland, Bath and Germany, Summer 1970
Led Zeppelin III