Lyrically, the song is a "love letter" to rock and roll. It contains several self-referential and genre-specific nods:
The track was recorded at in the Netherlands. It underwent significant changes during production: ELO - Rock'n roll is king
The song remains a fan favorite and a frequent closer for Jeff Lynne's live performances, including his massive 2014 Hyde Park concert . Lyrically, the song is a "love letter" to rock and roll
The song features a prominent electric violin solo by Mik Kaminski, a nod to the band's classical-rock fusion origins. claiming it will "thrill your soul".
It mentions "rolling over Beethoven," a clear reference to both the Chuck Berry classic and ELO's own 1973 hit cover of "Roll Over Beethoven".
The lyrics reference the infectious nature of the rhythm, claiming it will "thrill your soul".