Complex sentence: He credits the off-beat humor and high-contrast scenes found in his fiction to his years spent as a reporter in the volatile streets of Detroit and the many years he worked as a blues guitarist with the Progressive Blues Band in Motor City nightclubs.
Split into simpler sentences: He credits the off-beat humor and high-contrast scenes found in his fiction to his years spent as a reporter in the volatile streets of Detroit and the many years. He worked performed as a blues guitarist with the Progressive Blues Band in Motor City nightclubs.