Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Geezer Butler <unk> bass, nkwado olu (1968<unk>1979, 1980<unk>1985, 1987, 1990<unk>1994, 1997<unk>2006, 2011<unk>2017)  Ajụjụ: Gịnị bụ oge mbụ e depụtara mgbe Geezer Butler nwụsịrị?
Afọ 1968 ruo afọ 1979