The song was sang by no less than Janis Ian.
Janis Ian is an American songwriter, singer, musician, columnist, and an author. Janis first entered the folk music scene while still a teenager in the mid-sixties; most active musically in that decade and the 1970s.
In 1975, she won a Grammy Award for her song, "At Seventeen".
Special credit and thanks to Crossover70's for posting this song in his music channel.