Conversation so far:
Are Ce n'était qu'un rêve and Nothing But A Dream. titles to songs Celine Dion sang?
At age 12, Dion collaborated with her mother and her brother Jacques to write and compose her first song, Ce n'était qu'un rêve, which translates as Nothing But A Dream.

Question: Is this song a number 1 hit?
Self-contained rewrite: IsCe n'était qu'un rêve a number 1 hit?