Want One is the third studio album by the Canadian-American singer-songwriter Rufus Wainwright, released through DreamWorks Records on September 23, 2003. The album was produced by Marius de Vries and mixed by Andy Bradfield, with Lenny Waronker as the executive in charge of production. Want One spawned two singles: "I Don't Know What It Is", which peaked at No. 74 on the UK Singles Chart, and "Oh What a World". The album charted in three countries, reaching No. 60 on the Billboard 200, No.