Made by Ukrainians: FB-app to listen to the music
Ukrainian developers from StepInMobile company have created FB-MuzekBox application allowing to listen to the music.
The application is available for Chrome and Opera browsers, and Firefox, Safari and Internet Explorer in a beta version.
The app allows you to search for music on Facebook, add it to your playlist and share it with your friends.
For installing, please go to the link and follow a step-by-step instruction.
The app installed you will see the music player panel on Facebook interface.