Rare Breed
Osbourne sings with Rare Breed alongside Geezer Butler before Black Sabbath develops.
Historical biography archive · Updated 2026-11-03
John Michael Osbourne Biography and Timeline
Follow John Michael Osbourne through 5 dated historical records for Great Britain.
John Michael Osbourne, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1967–1970Years on this page
1967
1968
Polka Tulk Vocals
Osbourne becomes the vocalist for the heavy blues group Polka Tulk.
Role range: 1968-1969 – 1948-
Polka Tulk Blues Band
Osbourne joins Iommi, Butler and Ward in the Birmingham group Polka Tulk Blues Band.
1969
Black Sabbath Vocalist
Osbourne becomes vocalist as Earth adopts the name Black Sabbath.
Role range: 1968-1979
1970
Black Sabbath Debut Album
Osbourne sings on Black Sabbath's debut album, released during the band's Birmingham breakthrough.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.