This song was written from the perspective of Vikings rolling west from Scandinavia in search of new lands. It reached number 16 on the Billboard charts; this song was released on November 1970 on Atlantic records. This song is famous for its wailing cry vocalist Robert Plant. The song is built around repeating staccato riff in the key of F sharp minor. “Immigrant Song” was written during Led Zeppelin's tour of Iceland, bath in Germany in the mid-70s. It is one of Led Zeppelin's few single releases. It was from this lyric that some people started referring to Led Zeppelin sound as” Hammer of the Gods” Albert Mendez does a fine job of performing this song, topics covered are vocal warm-ups, exercises over the 1st bridge, accessing head voice moving from bridge one to bridge to, establishing chest voice with voice exercises, resonance for power, balancing out your range, hearing F# minor, singing on the chromatic scale and more.