Complex sentence: He uses music as a tool for political change, often performing at anti-war demonstrations, and recording songs for benefit albums in support of various groups, including the Anarchist Black Cross.
Split into simpler sentences: He uses music as a tool for political change, and he often performs at anti-war and other demonstrations, along with fundraisers and benefits for radical causes and groups. He has also recorded songs for benefit albums in support of various groups, including the Anarchist Black Cross.