Jackson's prize as winner was a £1 million recording contract. His first single release was "When You Believe", arranged for the finalists by composer Stephen Schwartz and released to download on 16 December 2007, with the physical format following on 19 December. The single became that year's Christmas number one on the UK Singles Chart and was also the fourth best selling single of 2007.This series was the first to be sponsored by The Carphone Warehouse after being sponsored by Nokia since the first series.