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",
Lists of UK Singles Chart number ones roughly 150,000. During 1992, when few releases were reaching number one, sales of CD singles were low: songs needed to sell only 60-70,000 each week to remain at the top. In 2000, when turnover of number ones was high, tracks could often sell between 100,000 and 200,000 copies in a single week. By May 2007, a single needed to sell just 20,000 copies in order to reach number one. UK chart commentator James Masterton remarked in 2003: "When record sales are high, public interest in a song expires very quickly and this creates a need for ever more new product