Complex sentence: Talis Kimberley has performed in many and varying settings during the course of her career including Festival at the Edge 2012, Treefest 2011 and 2012, and the Little Green Gathering 2013.
Split into simpler sentences: Talis Kimberley has performed in many and varying settings during the course of her career. She was part of Festival at the Edge 2012, Treefest 2011 and 2012, and the Little Green Gathering 2013.