The British music industry is to sue 28 internet users it says are illegally swapping music online. The British Phonographic Industry (BPI) says it is targeting “major uploaders” --- ＿＿（54）＿＿ make music available to share free with others. Music file-sharers have been ＿＿（55）＿＿ a decline in world-wide CD sales. The BPI’s actions follow that of its US counterpart which is already suing those it calls the worst ＿＿（56）＿＿ . It says more cases are expected to come.