...produced a line of knock-offs for the nation's largest retailer. The next year, Wal-Mart undercut their retail competitors -- including JCPenney -- and earned more than $1 million in profit doing so. Samara sued, seeking a court order...

...acts, like 'N Sync and Britney Spears, which Wal-Mart is exceptionally good at selling. But some labels and retail competitors say the music business is headed toward a winner-take-all competition.