Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: N'ịgbaso mmebi nke ìgwè ha gara aga bụ Mythology na 1968, onye na-agụ egwú Tony Iommi na onye na-egwu egwu Bill Ward chọrọ ịmalite otu egwu egwu egwu dị egwu na Aston, Birmingham. Ha kpọbatara onye bassist Geezer Butler na onye na-agụ egwú Ozzy Osbourne, bụ ndị na-egwuri egwu na otu ìgwè a na-akpọ Rare Breed, Osbourne tinyere mgbasa ozi na ụlọ ahịa egwu mpaghara: "Ozzy Zig Needs Gig <unk> nwere PA nke ya". A na-akpọ ìgwè ọhụrụ ahụ Polka Tulk Blues Band, aha a na-ewere ma ọ bụ site na ụdị ntụ ntụ talcum ma ọ bụ ụlọ ahịa uwe India / Pakistan; E nwere mgbagwoju anya. Polka Tulk Blues Band gụnyere onye na-egwu slide guitar Jimmy Phillips, enyi Osbourne n'oge ọ bụ nwata, na onye na-egwu saxophone Alan "Aker" Clarke. Mgbe ha belatara aha ahụ Polka Tulk, ìgwè ahụ gbanwere aha ha ọzọ na Earth (nke Osbourne kpọrọ asị) wee gaa n'ihu dị ka mmadụ anọ na-enweghị Phillips na Clarke. Iommi malitere ichegbu onwe ya na Phillips na Clarke enweghị nraranye dị mkpa ma ghara iwere ndị otu ahụ nke ọma. Kama ịgwa ha ka ha pụọ, ha kpebiri ịhapụ ha ma jiri nwayọ weghachite ìgwè ahụ dị ka mmadụ anọ. Mgbe ndị otu ahụ na-eme n'okpuru aha Earth, ha dekọtara ọtụtụ ihe ngosi nke Norman Haines dere dịka "The Rebel", "Song for Jim", na "When I Came Down". Ihe ngosi a kpọrọ "Song for Jim" bụ maka Jim Simpson. Jim Simpson bụ onye njikwa maka ndị otu Bakerloo Blues Line na Tea & Symphony, yana ịbụ onye na-afụ opi maka ndị otu Locomotive. N'oge na-adịbeghị anya, Simpson guzobere klọb ọhụrụ aha ya bụ Henry's Blueshouse na The Crown Hotel dị na Birmingham ma nye ohere ka Earth kpọọ ebe ahụ mgbe ha kwenyere ịhapụ ụgwọ nkwado ndị otu na-akwụkarị maka t-shirts n'efu. Nzaghachi nke ndị na-ege ntị dị mma ma Simpson kwetara ijikwa ụwa. Na Disemba 1968, Iommi hapụrụ ụwa na mberede iji sonyere Jethro Tull. Ọ bụ ezie na oge ya na ndị otu ahụ ga-adị mkpụmkpụ, Iommi so Jethro Tull mee ihe na The Rolling Stones Rock and Roll Circus TV show. N'enweghị afọ ojuju na nduzi nke Jethro Tull, Iommi laghachiri...  Ajụjụ: Gịnị bụ aha ìgwè ahụ nke e ji otu ìgwè ọzọ a na-akpọ "Earth" gwurie egwu?
Ndị Black Sabbath