Adding HomePod to Sonos System

While it's true that AirPlay 2 will enhance Apple's multi-room support by bringing multi-speaker output to AirPlay apps on iOS, you can already tap into some AirPlay multiroom action using a Mac and iTunes. From the AirPlay logo on iTunes you can select multiple speakers and have them all playing in harmony.

You can also add an Apple TV in this multi-output arrangement and this is the magic ingredient for getting your HomePod playing in tandem with your Sonos speakers…

How to add your Apple HomePod smart speaker to your Sonos system