Default [Q] Can't use Music

I canít do anything with Music. I canít play music. I canít purchase music.

When I try to play music, I get the following message:

ďSorry, we canít play this file on your phone.
Error code: C101a3ffĒ

I have not encountered this on previous Windows Phones. Can anyone please offer any help?

Thanks,
Dave

Nokia Lumia 1520
OS: 8.0.10521.155
Carrier: AT&T