According to research from the NPD Group, Apple iTunes is now the third largest music retailer in the country in any format, digital or physical. Based on first quarter figures, Wal-Mart remains the biggest single music retailer with 15.8% of the market, Best Buy second at 13.8% and iTunes third at 9.8%.

Overall, digital a la carte music sales now make up almost 14% of all music sales. That does not include other digital revenues such as subscription services or ad-supported services.