Top music retailers in Q1 2007: Wal-Mart, Best Buy, iTunes, Amazon, Target

iTunes had a 9.8% market share in Q1 2007, ranking behind Wal-Mart with 15.8% and Best Buy with 13.8%, according to The NPD Group. Online retailer Amazon.com’s share was 6.7%, slightly ahead of Target’s 6.6%, NPD said.