Under Played Song That is Really Nice

Hello everyone , Why on most albums there are songs that are better than the main hit on that album? On Sister Sledge's album "We are Family (1979) their #1 song was the title cut( We are Family) as a matter of fact that was their most popular song. But there's a song on there, that in my opinion is much nicer, the song is: (Thinking of You) this song is bad it is one of my favorite songs. See if you can find it and let me know what you think. Side note The band Chic was the musicians on that album.