Complex sentence: Skyhooks returned to the Sunbury Pop Festival in January 1975, they were declared the best performers by "Rolling Stone Australia" and "The Age" reviewers, and Gudinski now took over their management.
Split into simpler sentences: Skyhooks returned to the Sunbury Pop Festival in January 1975. They were declared the best performers by "Rolling Stone Australia" and "The Age" reviewers, and Gudinski now took over their management.