Complex sentence: Will Millar left the group in 1995 and founding member Jimmy Ferguson died in 1997, but George and the remaining members of the band have continued to have a successful career, touring in the United States, Canada, Australia and New Zealand.
Split into simpler sentences: Will Millar left the group in 1995 and founding member Jimmy Ferguson died in 1997. The remaining members of the band have continued a successful career, touring in the United States, Canada, Australia and New Zealand.