I have been lurking on Instructables for a few years but have never posted one myself. Now I have bought a home of my own it’s time to undergo some projects and share them with the community.

In my first project I’m going to show you how I setup multi-room audio that can be controlled by any device with a web browser or an app on your Android and/or iOS device.

Full article here:
Raspberry Pi Multi-Room Audio (Mobile/Tablet/PC Controlled) (Instructables)
Be sure to read the comments under the main article because they provide some additional suggestions and insights.