cant play music downloaded from napster on my samsung sgh a737?

Question asked by tipsu21
ihave a micro sd card and i bought an adapter so i can plug the card into my computer but the only songs i can get to play are files i have ripped from my own cds and mp3 format files my phone is supposed to support wma format as well but when i attempt to play the song on my phone it says "this file is currently expired. connect to pc and download license". song and artist info comes up but will not play
thank you

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