I will explain how this can be done for Blogger .
Open your Blogger template and move to edit HTML .
Copy the following code and place anywhere before </head> tag .
Now create a new blog post with direct HTML link to a music URL .
<a href=” music URL” > First song</a>
Save and refresh page .
Blog post with music links will be now shown with a play icon just near to them .
On click , the above flash player opens and you will be able to see and play all MP3 media links in the page .