For this chapter, we'll need two libraries: pulseaudio and libmad.
The former will be used to play the music, while the latter is for decoding MP3 files.
Installing the dependencies
Installing dependencies on Linux
On Linux, these dependencies can be installed through the package manager of your distribution.
On Ubuntu (or other Debian derivatives):
sudo apt-get install libmad0-dev libpulse-dev
Installing dependencies on Mac
On OSX, the required dependencies can be installed through the system package manager, as follows:
brew install libmad pulseaudio...
