: The original master tapes were restored and digitized under the supervision of current Diamond Head frontman Rasmus "Ras" Bom Andersen . This process uncovered previously "lost" alternative mixes and supplemented the core track with bonus recordings from the 1980s.

The song's 1980 debut remains a heavy metal milestone for its unique construction:

: This version brings a "freshness and attack" to the original 1980 recordings. It captures the youthful energy of the band—who were only 19 or 20 at the time—while utilizing modern production to provide the power they originally lacked the "technique, time, or craftsmanship" to achieve. The Re-Recorded 2020 Version

: Guitarist Brian Tatler wrote the main riff with the intent of creating something heavier than Black Sabbath’s "Symptom of the Universe".