To claim your fee song log on to the http://www.spinnr.ph/desktop/index.html#home
Log in if you are already a member and register if you are new to the site.
They would ask for your mobile number so they can send the password to said number (definitely you should a Smart user to enjoy the credit)
When you receive your password you can now sign in to your account. The password is temporary you may then change your password when you needed to.
Then in the left side corner of the page you will see search icon
Type in the title of the music, the artist or both. Lets make Roar by Katy Perry as an example.
Then list of Katy Perry Roar will appear
In this case i will select the Roar
The page will look like this
You may hear the song before your purchase it Just click the play button
When you click the play button there would be a pop up message stating that you could only listen to the first 30 seconds of the song. If you join the music subscription you can listen to the whole song. Just click the "not now".
Click the P 15 button and
then it would appear like this
Click the use credits make sure you really have the remaining credit because of you don't it will be deducted on your airtime balance
Make sure to click the use credit making it appear on the right side like the image below
If you wish to cancel the transaction just click the x button
If you where sure then Hit the "Buy Now"
The pop up message will appear below
You can either choose to download it to your mobile or on your PC. I prefer to make it on my PC.
There you have it!. Enjoy your free mp3.
PS
I'm not connected in SMART in anyway. I'm just ordinary smart user. Thanks.