Uriah Heep (band) recording of the album, drummer Alex Napier was replaced by Nigel Olsson, recommended to Byron by Elton John. The debut was not popular with rock critics (especially in the USA where "Rolling Stone" reviewer Melissa Mills infamously promised to commit suicide "if this band makes it") but in retrospect the attitude towards it changed. "Those unfamiliar with Uriah Heep may want to try out "Demons and Wizards" or a compilation first, but anyone with a serious interest in Uriah Heep or the roots of heavy metal will find plenty to like on ..."Very 'eavy ...Very 'umble"," advised critic Donald A.
Heavy metal genres style and its influences after the genre had branched in the 80s into more extreme styles that were highly influenced and mixed with hardcore punk in reaction to the 80s Glam scene which had also overshadowed what the term originally meant at the time along with the emergence of the New wave of American heavy metal that led after in the early-mid 90s which made the term "heavy metal" further lose its connotation when Grunge and Alternative rock help give birth to heavy-sounding styles that would be fused with some elements of heavy metal among others which caused the genre