Did really Rick say "Play it again, Sam" in Casablanca?In this video you can check - it is a misquotation.
When Ilsa is at the Café Americain, she asks Sam: "Play it once, Sam, for old times' sake."
When he feigns ignorance, she responds, "Play it, Sam. Play 'As Time Goes By."
Later that night, alone with Sam, Rick says, "You played it for her and you can play it for me." and "If she can stand it, I can! Play it!"
Anyway... here is one of the most magic moments from the Hollywood history: