The Firefox OS Music app gives you a number of ways to listen to your music. Let's go through the basics.
When you first open the Music app you'll find a beautiful, visual arrangement of song and album cover art. From here, just tap on what you want to listen to and lean back in your Lazy Boy.
At the bottom of the Music app screen you have controls that let you browse though your music in different ways:
Know exactly what you want? Find it quickly.
Once you're playing some music, you'll find the normal back, play/pause and forward buttons at the bottom of the screen.
If you tap on the artwork, you'll also bring up controls for repeating the song or album, ratings and shuffle.
Of course you can continue to browse though the app while you're playing something. To return to the currently playing song and the audio controls, just tap the play button in the upper-right corner of the screen:
Want to continue listening to music without having the Music app take up your whole screen?