Complex sentence: After the departure of original Impressions lead singer Jerry Butler to a successful solo career, and the other original members, brothers Arthur and Richard Brooks, the remaining original members, Curtis Mayfield, Sam Gooden and Fred Cash, choose not to replace them.
Split into simpler sentences: After the departure of original Impressions lead singer Jerry Butler to a successful solo career, the other original members, brothers Arthur and Richard Brooks also left. The remaining original members, Curtis Mayfield, Sam Gooden and Fred Cash, chose not to replace them.