2001 in British music charts album was not released in the UK. 2001 was a moderately successful year for film and television music, providing some memorable hit singles and albums. The Tweenies and Bob The Builder both released singles, the former of which was a Christmas release making No. 9 and the latter having his 2nd No. 1 single with a re-make of the No. 1 from 1999 by Lou Bega, "Mambo No. 5". This 2nd No. 1 made Bob the first non-human who "sung" on his recordings to hit the top more than once. Two very successful movies, "Moulin Rouge!" and "Bridget Jones's Diary",
Number One Enemy or just plain out-of-the-ordinary objects and surroundings. The song was re-recorded in Simlish for the video game, "". Nick Levine of "Digital Spy" gave the song a positive review. Following its release on 1 March 2010, "Number One Enemy" debuted in the UK Singles Chart on 7 March 2010, where it peaked at #13. The following week, the single fell 6 places to #19. On 21 March 2010, the single fell a further 8 places to #27 and the following week fell a further 7 places to #34, meaning the single has spent 4 weeks in the UK Top 40