Complex sentence: They appeared most recently on the Because of Winn-Dixie movie soundtrack and have also contributed to the movie How to Lose a Guy in 10 Days, featuring Kate Hudson and Matthew McConaughey in 2003.
Split into simpler sentences: They appeared most recently on the Because of Winn-Dixie movie soundtrack. And they also contributed to the movie how to lose a guy in ten days, featuring Kate Hudson and Matthew McConaughey in 2003.