Embed music with dowload.php file

Scenario: you would like to embed a music file (.mp3 in our example) into your website and also want to make sure that when someone clicks the download link the usual open / save as window opens instead of the browser trying to open the file directly with whatever plugin already installed.

My solution: we'll have to break this down into two parts: one will be the embed script and the other one will be the download link.