Lou Bega - Mambo No. 5 (Official Video). In 1999 this song went to Nº1 on almost every single chart in continental Europe and set a record by staying at Nº1 in France for 20 weeks. It reached Nº3 on the Billboard Hot 100, topped the Radio Charts for six weeks and the Pop Charts for five weeks. To date it has sold 3.4 million copies (more than Justin Timberlake’s ‘The 20/20 Experience’) and still sells between 1.000-2.000 copies per week, according to SoundScan.