Nigel Olsson Quaye, and Roger Hodgson. Olsson also had a brief stint with the English hard rock band Uriah Heep, playing drums on one song on their 1970 debut LP, "Very 'eavy... Very 'umble". Subsequently, he played drums on one track on Elton John's debut album, "Empty Sky", and then became a member of The Spencer Davis Group with bassist Dee Murray. The pair joined John on the road as his touring band in April 1970, and played with John during his debut tour in the United States at the Troubadour Club on 25 August 1970. Only permitted at first to play
Heavy metal music tone, typically in the bass range, during which at least one foreign (i.e., dissonant) harmony is sounded in the other parts. According to Robert Walser, heavy metal harmonic relationships are "often quite complex" and the harmonic analysis done by metal players and teachers is "often very sophisticated". In the study of heavy metal chord structures, it has been concluded that "heavy metal music has proved to be far more complicated" than other music researchers had realized. Robert Walser stated that, alongside blues and R&B, the "assemblage of disparate musical styles known ... as 'classical music has been a major influence