Rejea kifungu hapa chini na kisha jibu swali baadaye kwa lugha ile ile kama kifungu: Passage: Geezer Butler <unk> bass, backing vocals (1968<unk>1979, 1980<unk>1985, 1987, 1990<unk>1994, 1997<unk>2006, 2011<unk>2017) Swali: Nini tarehe ya kwanza ya muda iliyoorodheshwa baada ya Geezer Butler?
1968<unk>1979