Happy_days_theme_song < 480p >

The show did not originally open with the song "Happy Days." Instead, it relied on a 1950s rock-and-roll classic to set the mood.

As the show shifted to a live studio audience and focused more on Henry Winkler's Fonzie character, producers replaced the opening with the now-iconic "Happy Days" theme. happy_days_theme_song

The opening theme was "Rock Around the Clock" by Bill Haley & His Comets. This choice was inspired by the song's successful use in the 1973 film American Graffiti , which also starred Ron Howard. The show did not originally open with the song "Happy Days