The Power Of Love was a title for many different songs. Most well-known was the ballad first by Air Supply, remade by Jennifer Rush, then Laura Branigan, and finally becoming a huge number one hit by Celine Dion.
Huey Lewis hit number one with a rock song of the same title.
Frankie Goes To Hollywood had a different song, sung by Holly Johnson in the band, then remade by Holly Johnson solo. Gabrielle Aplin brought the song back, then Christina Marie did a popular version on TV show The Voice.
Still another Power Of Love song was a country song by Charley Pride which was remade by Lee Roy Parnell.