Chart Position: 2
- #31 bestseller for 1968
- #129 on Rolling Stone magazines list of 500 greatest songs
- Written by Mars Bonfire
- Lead vocals: John Kay
- Guitar: John Kay and Michael Monarch
- Keyboards: Goldy McJohn
- Backing vocals: Jerry Edmonton, Rushton Moreve and Michael Monarch
- Recorded in Los Angeles CA
- Produced by Gabriel Mekler
- This song became the theme to the film Easy Rider (1969)
- The ‘heavy metal thunder’ in the song’s lyrics became the source for Heavy Metal as a rock music genre