text: Real launches 'Freedom of Choice Campaign' (MacCentral) MacCentral - RealNetworks will tout its new Windows-only Harmony technology, which allows files from its music store to be played on Apple's iPod, in a series of print, radio and online advertising, the company said in a statement on Tuesday. In addition, Real will hold what it calls the biggest music sale in history selling songs for US #36;0.49 and albums for  #36;4.99.