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.
Australian heavy metal is quite clear however, with a style built around a predominately loud, heavy riffing guitar sound. With regard to heavy metal, Sydney band Buffalo could well be considered one of the country's first exponents of the style. Originally formed under the name Head in 1967, Buffalo began playing a very similar style to that of Black Sabbath from 1970. The band was the first non-British act to be signed to Vertigo and released three albums with them between 1972 and 1975 but never found mainstream success in Australia. The group's bass guitarist Peter Wells formed Rose Tattoo in 1976, another