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who sang as time goes by in casablanca
As Time Goes By became famous when it was featured in the 1942 Warner Bros. film Casablanca performed by Dooley Wilson as Sam.
who wrote the song as time goes on
As Time Goes By is a song written by Herman Hupfeld in 1931.
was the song as time goes by written for casablanca
As Time Goes By was not written specially for Casablanca. It was written a decade before for the modestly successful 1931 Broadway show Everybody’s Welcome.
was the song as time goes by in any other movie besides casablanca
As Time Goes By features in two classic movies, Casablanca and Sleepless in Seattle.

Question: who sings the song in sleepless in seattle
Self-contained rewrite: who sings the song as time goes by in sleepless in seattle