default music player problem

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http://forum.xda-developers.com – first..i am sorry if this is wrong section..because i am new to android...and to xda.. i recently bought xperia tipo and root it..but i accedently delete default music player app from the system folder while installing walkman player:( can anyone please extract the music player app from its firmware....and give it to me please anyone ..........help me... (sorry for my bad english).....and thx in advance:good: (HowTos)