This is an offline music player application brought to you by MiK Labs.
This application will help you play your favorite music which you can't let go and have saved it offline. It contains a really simple user interface and enables the user to create playlist as per his choice of songs which are stored in the local storage. All you need is, to get it installed in your device play your fav music out loud.
https://play.google.com/store/apps/details?id=com.miklabs.music