Step #1. Open Alexa app on your device and tap the menu button. Step #2. Now, you need to tap on Smart Home and select Groups. Step #3. Next, tap on Create Groups. Step #4. Next up, you have to select Multi-Room Music Group. Step #5. Then, you can either use pre-set group names from the drop-down or create your own with Custom Name. Step #6. Finally, you have to select which devices to include and then select Create Group. Once you have set up multi-room music, you can say, “Play [music selection] on [group name],” to play your music on the selected devices. Your turn: