 <translate> To answer this question, we should know that: It became most famous in 1942 when part of it was sung by the character Sam (Dooley Wilson) in the movie Casablanca. Final answer: the movie Casablanca. <yor> Láti dáhùn ìbéèrè yìí, ó yẹ ká mọ èyí: Ó di èyí tó gbajúmọ̀ jù lọ ní ọdún 1942 nígbà tí Sam (Dooley Wilson) kọ apá kan nínú orin náà nínú fíìmù Casablanca. Ìdáhùn tó gbẹ̀yìn: fíìmù Casablanca. 