Complex sentence: A two-CD retrospective entitled "The Way of Curve" summarised the group's output in 2004, before Halliday announced, in early 2005, that she had left Curve for good.
Split into simpler sentences: A two-CD retrospective entitled "The Way of Curve" summarized the group's output in 2004. In early 2005, Halliday announced that she had left Curve for good.