7digital Launches In North America, With LA Head

British MP3 download site 7digital has launched its site in the U.S., with its North American VP based here in Los Angeles. The site--which allows users to download MP3 content from such studios as Universal Music Group, Sony Music Entertainment, Warner Music Group, and EMI Music--said it has over 6 million tracks licensed for distribution. 7digital is backed by music retailer HMV Group, and venture firms Balderton Capital and Sutton Place. 7digital takes on firms such as Amazon, Rhapsody, and Napster, who also sell MP3 music tracks on their respective services.