How do I create song playlist

Hey guys I need some help in creating playlist for my game.

I got 4 track and by default will start track no 1 on start of layout.

What I'm trying to achieve is to create a playlist where player can choose song that they want to hear through out the game.

Here is my sample caps help me

http://www.fileshare.ro/e31687428

Please, see this tutorial.