Lou Bega is a German singer who scored one of the most unavoidable songs of 1999 by reaching back half a century for it. "Mambo No. 5 (a Little Bit of...)" reworked a 1949 instrumental by the mambo king Perez Prado, adding a roll-call of names and a swinging, brass-heavy bounce, and the result became a worldwide number-one hit.
It was everywhere, the kind of song that defines a summer, and it left Bega permanently associated with that one swinging moment. He built a whole retro, sharply tailored persona around the mambo revival, but audiences only ever wanted the one song. His later releases never came close.
On streaming, "Mambo No. 5" sits near 850 million plays, while his next most-streamed track, "Sweet Like Cola", trails at around 20 million. That puts the ratio above 41, many times our 5.0 line.
By our measure Lou Bega is a certified one-hit wonder, and an almost archetypal one. He took an old melody, gave it an irresistible new coat of paint, and rode it to a level of fame that nothing else in his career has approached.