Complex sentence: He formed the quartet "Intersection" in the early 1980s, this group included Phil Treloar on drums, Peter Boothman or Guy Strazullo on guitar and Lloyd Swanton or Steve Elphick on bass.
Split into simpler sentences: He formed the quartet "Intersection" in the early 1980s. This group included Phil Treloar on drums, Peter Boothman or Guy Strazullo on guitar and Lloyd Swanton or Steve Elphick on bass.