Britons spend £1.8 billion on recorded music.
DVD music video sales in the UK rose by 37 per cent in the last year.
Worldwide, the best selling album of 2004 was Usher's Confessions.
Robbie Williams was the top-selling UK artist, at number six. Maroon 5, Keane, Rod Stewart and George Michael also made the top 50, while Joss Stone featured twice with The Soul Sessions and Mind, Body & Soul.