Hi Ahsan,
If you are using Windows Application add this file as a resource file
Steps to Add as a resource
1. Go to Properties in Solution Explorer
2. Open Resource.resx and click on add resource and then choose add existing file.
3. WindowsFormsApplication1.Properties.Resources._01___Angreji_Beat___Cocktail__128_Kbps_
get the the file name as in step 3.
For Web Application Add a folder whichever name you like.ex "Music"
and add music file to this folder and get file using this code.
System.IO.Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, "Music\Adele-Skyfall.mp3");
Now this totally portable.
Hope this helps.