COKE'S FLAT TONES
As if Coca-Cola didn't have enough trouble with flat sales volume in the U.S., its fledgling online-music business in Europe is also losing fizz. In Britain back in January, the soft-drink company inaugurated Mycokemusic.com which has so far sold about 530,000 tunes for $1.46 to $1.84 a pop. But then in June, Apple launched iTunes in Britain, France and Germany, offering a wider selection of songs for less money ($1.44 each). In its first week in Europe alone, iTunes sold 800,000 tracks. Napster and the Sony Connect store also have competing music sites, and WalMart...