Complex sentence: He received his bachelor's degree in music from the University of Southern California, and eventually earned a master's degree and started working on his doctorate at the University of California, Los Angeles where he studied with Paul Chihara, among others.
Split into simpler sentences: He received his bachelor's degree in music from the University of Southern California. After he earned a master's degree he started working on his doctorate at the University of California, Los Angeles, where he studied with Paul Chihara, among others.