Add Aux to Sonos Using Raspberry Pi : 26 Steps (with Pictures) - Instructables
MicroNova's AmpliPi Is a Raspberry Pi-Powered Open Source Audio System for Your Entire Home - Hackster.io
GitHub - Thyraz/Sonos-Kids-Controller: Software for self made touchscreen jukeboxes for kids. Supports Spotify streaming and uses Sonos for audio output.
Why We Love the Raspberry Pi | Reviews by Wirecutter
Use Raspberry Pi as a Bluetooth & AirPlay receiver
Replacing my Sonos Port... – HiFiBerry
Play Bluetooth on Sonos Using Raspberry Pi : 25 Steps - Instructables
Sonos Album Art on Raspberry Pi Screen - Hackster.io
using the RaspberryPi to make all SONOS speakers support Apple Airplay – schrankmonster blog