Your game will surely need sound! Cocos2d-x provides an audio engine called
SimpleAudioEngine. It can be used to play background music as well as sound effects through out your game play.
SimpleAudioEngine is a shared singleton object so you can simple call it from anywhere in your code. When creating a sample HelloWorld project we do all the setup required for you, out of the box. It also supports a variety of formats, including mp3
and Core Audio Format.