"Sooner or Later" is a 1971 hit song by The Grass Roots. It was released as a single and put on their third compilation album, Their 16 Greatest Hits. It reached number 9 on the US Billboard Hot 100, becoming their third and last top ten hit. The single tells about a girl the narrator is in love with, but it's not mutual, because of her past experiences with love. He says that "sooner or later" she will succumb to love and give in to him.