Complex sentence: Her 1971 release "L.A. International Airport" was an international pop hit while she also came close to topping the country charts with her followups "Pitty Pitty Patter" (1971) and "I've Got a Happy Heart" (1971).
Split into simpler sentences: Her 1971 release "L.A. International Airport" was an international pop hit. She also came close to topping the country charts with her followups "Pitty Pitty Patter" (1971) and "I've Got a Happy Heart" (1971).