The previous posts are correct in regards to Smallville and Maureen McGovern.
John Williams composed the original soundtrack to the Superman movie in 1978 starring Christopher Reeve. The love theme which played when Christopher Reeve took Margot Kidder is called "can you read my mind" and was on the album, though I believe it was just the instrumental version, and not the movie version where Margo Kidder spoke the words while they were flying over the planet. "Can you read my mind" was adapted as a single by Maureen McGovern and appeared on the adult contemporary charts hitting #1. It was part of a Curb records album titled simply, "Maureen McGovern".
Smallville on the WB did not have a theme song titled Superman but during one episode in the 1st season (I believe) was the Foo for Fighting song mentioned on a previous post.