- April 1965 - The Beach Boys appear on Shindig! performing their most recent hit, "Do You Wanna Dance?"
- April 1967 - The Rolling Stones' Concert in Warsaw.
- April 1979 - Mickey Thomas replaces Marty Balin as the lead singer of Jefferson Starship
- April 1988 - Former rock and roll singer Sonny Bono is inaugurated as the Mayor of Palm Springs, California