The song was included in the biographical films The Jolson Story ( 1946 ) and The Benny Goodman Story ( 1956 ) , and is also being noodled by Sam ( Dooley Wilson ) at the piano right before he plays As Time Goes By in the movie Casablanca ( 1942 ) .
The song was also played in the films The Jolson Story ( 1946 ) and The Benny Goodman Story ( 1956 ) .