Complex sentence: After studying Sociology for two semesters at Durham University, Charles returned to London in 2007, adopted the pseudonym King Charles, and formed a band, Adventure Playground, which toured with Laura Marling and Noah and the Whale before disbanding in 2008.
Split into simpler sentences: After studying Sociology for two semesters at Durham University, Charles returned to his hometown in 2007, adopted the pseudonym "King Charles", and formed a group known as Adventure Playground. AP toured with Laura Marling and Noah and the Whale before disbanding in 2008.