After six weeks at number one in the UK Albums Chart, it sold six times platinum, over 1.8 million copies, in the UK and three million copies in total, making Melua the biggest selling UK female artist of 2004. Her second album, "Piece by Piece" (including Batt's song "Nine Million Bicycles") was released in September 2005, and sold 3.5 million copies in Europe, going to number one in the UK, The Netherlands, Norway, Denmark, Iceland, and achieving top five chart positions in eight other countries. At this point, Melua had become the biggest female UK album artist in the world for that year according to official British Phonographic Industry sales figures.