Share your experience!
Hi.
I wanted to make this post because i searched the net and i did not found any results on the xperia P walkman bug, and that bug behaves so: i play the song i want, and after a couple of seconds it gives me "cannot play song" the problem persists at certain songs in my library and this started to happen after the 4.1.2 JB update.
I searched in here but found nothing for my problem, if anyone had this little bug and got it fixed please post.
Thanks for your time and have a nice day. 
You mean your songs start playing?Are you sure you have not deleted those songs?
i am sure that i did not deleted the music in my phone, every track is there but at some traks i press play and after a few second after start it gives me that message, and the music stops...
Try to clear data for walkman and restart the phone.
been there done that, nothing happend....*sigh*
Have you tried until now to repair phone software?
yeah i did reinstalled the update on my phone via PC companion and it updated surthen things but still not got rid of the music bug...
try with SUS and do a factory reset ..
SUS meaning ?
Update Service (SUS)
http://www.sonymobile.com/gb/tools/update-service/
http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe
Bridge (for Mac)
Alternatives on How to backup Xperias
http://talk.sonymobile.com/thread/36355
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