I am not sure if I am picking up on the intent of your question. So, please supply more information if I have not target what you are seeking.
As long as the music is not protected and of format that is supported by Premiere Element 11, you should have no problem.
You can import music into the program via Add Media/Files and Folders and from there Project Assets and to the Timeline, Audio or Soundtrack. There are also 10 free SmartSound Soundtracks available from within the program.
Please review the above and let us know if it is the information that you sought.
If you need any help setting up your project with the appropriate project settings or need input on export settings or anything in between editing and export, please do not hesitate to ask.