O-Zone were a Moldovan pop trio, based in Romania, who handed the world one of the most infectious and most parodied songs of the 2000s. "Dragostea Din Tei", released in 2003 and sung in Romanian, became a continent-conquering europop smash, and then a global phenomenon thanks to the "Numa Numa" internet videos that turned its chorus into an early viral sensation.
The group enjoyed real success across Europe before that, but to the wider world they are, completely, the "Dragostea Din Tei" band, and they split not long after it peaked.
On streaming, the original Romanian version sits near 394 million plays, and several entries in their top tracks are simply remixes of that same song. Their next distinct track, "Despre tine", trails at around 20 million. That puts the ratio near 6, past our 5.0 line.
By our measure O-Zone are a certified one-hit wonder, and a textbook one. Theirs is the classic europop pattern: a single, irresistibly catchy track sung in a language most of its audience did not speak, so enormous in its moment and so endlessly imitated online that it swallowed everything else the group ever did.