Someone has pointed out that a sad George Bruns tune used in "101 Dalmations" has also been used in several other 1960s Disney films.

SALT LAKE CITY — Disney is known for recycling their animation in early animated films. You’ll notice, for example, how the ballroom scene in “Sleeping Beauty” was recycled almost frame for frame in Disney’s “Beauty and the Beast.”

Now someone has pointed out another detail that has been reused in several Disney films: that melancholic little George Bruns tune from “101 Dalmations.”

“I just noticed how all of Walt Disney Animation Studios movies released in the 1960s have the same sad theme played at one part in the film,” Animated Antic wrote.

Animated Antic made a short compilation of Disney films that recycle the song, namely “The Sword in the Stone” and “The Jungle Book.”

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Twitter user @Tre_Animation pointed out that the tune has also been used in Disney’s “Robin Hood," too.

According to @Tre_Animation, the trivia track on the “101 Dalmations” Special Edition DVD says that the song is called “Sad, Sad, Sad,” a fitting moniker if true.

Others have pointed out the tune’s similarities to “Adagio for Strings.”

Another fan pointed out how Disney seems to have channeled the sounds of the song for later films.

The tune has added a dash of nostalgia to social media this week, with people sharing how the song made them feel as children.