iPod users have been enlisted in a class - action lawsuit against Apple . The music service Harmony allowed users to play songs downloaded from the iTunes music store on Apple 's iPod . Apple created a firmware update that blocked other music providers from uploading songs to the iPod .
iPod owners have been enlisted in a class-action lawsuit against Apple . The music service Harmony allowed users to play songs downloaded from the RealPlayer music store on Apple 's iPod . Apple created a firmware update that blocked other music services from uploading songs to the iPod .