Which 1999 song made Italian group Eiffel 65 a US one-hit wonder with a title naming a color?

Eiffel 65’s 1999 song that made the group a US one-hit wonder was “Blue (Da Ba Dee).”

The song was written and produced by Eiffel 65 members Jeffrey Jey, Maurizio Lobina, and Gabry Ponte. Its electronic dance production, heavily processed vocals, and repeated “I’m blue” hook created a distinctive sound. The parenthetical phrase “Da Ba Dee” is intentionally nonsensical vocal phrasing rather than a separate translation or place name.

“Blue (Da Ba Dee)” became a major international hit after its release in 1998 and 1999. It topped charts in countries including France, Germany, Ireland, and the United Kingdom. In the United States, it reached the top ten of the Billboard Hot 100 and became Eiffel 65’s only major US pop hit.

The song is frequently categorized as Eurodance, although its production also includes techno and pop elements. The group’s name is a reference to the letter E, the number 65, and the word Eiffel, not to the song’s color imagery.