It's one of the greatest moments in one of the greatest movies, and it feels somberly relevant today.

In the classic "Casablanca" brave cafe patrons defiantly sing the French national anthem to drown out Nazi soldiers singing "Die Wacht am Rhein," a German patriotic anthem.

ajc.com

Credit: Jennifer Brett

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Credit: Jennifer Brett

"Play the Marseillaise!" resistance leader  Victor Laszlo (Paul Henreid) instructs the band in Rick's Cafe. " Play it!"

With Rick's (Humphrey Bogart) assent, the band begins to play.

Want to learn to sing along? Here's a handy instructional video with lyrics in both French and English: