The ability to play music throughout your home, in perfect sync and controllable from your phone, has been around for a few years now. Many solutions are available, from simple Bluetooth speakers to high-end systems like Sonos. Often the price can be off-putting and there has been recent controversy over the closed nature of these systems. Can we build a whole-house audio system using nothing but open-source technology and our favourite little computer? This month, we’ll start by building a dedicated music-playback station that can produce audiophile-level sound and web-based control.