Importing songs into Premier Elements 10

[brendao480615]

How do I get songs that a purchase from Amazon digital music to play in Photoshop Elements 10?  Some will play and others will not.  They will import to the audio line, but will not play.  Are these encrypted?  If so, how can I get them to work in Adobe products?  If they are encrypted, why is this not disclosed on Amazon so that you can consider this in your buying decision?  Please help me resolve this problem.

[Peru Bob]

brendao480615  wrote
  If they are encrypted, why is this not disclosed on Amazon so that you can consider this in your buying decision?  

Most sites that sell encrypted files do so because they are copyrighted and not royalty free.

The Amazon Digital Music is meant to be played, not edited.