diff --git a/pis/03-install-pulseaudio-bluetooth.yml b/pis/03-install-pulseaudio-bluetooth.yml
index 1e1421e..62c15f5 100644
--- a/pis/03-install-pulseaudio-bluetooth.yml
+++ b/pis/03-install-pulseaudio-bluetooth.yml
@@ -3,17 +3,13 @@
 # where "raspberrypi" is the hostname of the pi
 ---
 
-- hosts: all
+- hosts: raspberrypi
   gather_facts: false
   remote_user: root
-  vars:
-    bluetooth_mac_address: B8:27:EB:AA:23:4E
-  vars_prompt:
-    - name: bluetooth_name
-      prompt: Name of Bluetooth device
-      private: no
   tasks:
     # --- Initial Checks ---
+    - fail: msg="Make sure to set the MAC address of the BT device to variable 'bluetooth_mac_address_audio'"
+      when: bluetooth_mac_address_audio is undefined
     - name: Detect Raspi Model
       slurp:
         src: /sys/firmware/devicetree/base/model
diff --git a/pis/04-squeezelite.yml b/pis/04-squeezelite.yml
new file mode 100644
index 0000000..74a4e1a
--- /dev/null
+++ b/pis/04-squeezelite.yml
@@ -0,0 +1,10 @@
+---
+
+- hosts: raspberrypi
+  gather_facts: false
+  remote_user: root
+  tasks:
+    - name: Apt install squeezelite package
+      apt: name=squeezelite cache_valid_time=7200 state=present
+    - name: Install config file
+      template: src=squeezelite.cfg dest=/etc/default/squeezelite
diff --git a/pis/bt-agent.service b/pis/bt-agent.service
index 6bb7c22..980cd32 100644
--- a/pis/bt-agent.service
+++ b/pis/bt-agent.service
@@ -11,7 +11,7 @@ Restart=always
 RestartSec=1
 User=root
 # make first adaptor discoverable
-ExecStartPre=/bin/start_bt_discoverable {{bluetooth_mac_address}} {{bluetooth_name}}
+ExecStartPre=/bin/start_bt_discoverable {{bluetooth_mac_address_audio}} {{bluetooth_name}}
 ExecStart=bt-agent -c NoInputNoOutput
 
 [Install]
diff --git a/pis/inventory.yml b/pis/inventory.yml
new file mode 100644
index 0000000..9a33a7a
--- /dev/null
+++ b/pis/inventory.yml
@@ -0,0 +1,16 @@
+all:
+  hosts:
+    server:
+      ansible_host: home.bauer.tech
+      ansible_port: 22187
+
+  children:
+    iot:
+      hosts:
+        raspberrypi:
+          bluetooth_mac_address_audio: B8:27:EB:AA:23:4E
+          bluetooth_name: MyTestRaspberry
+          squeezelite_name: MyTestRaspberry
+        heatingpi:
+        bedroompi:
+        kitchenpi:
diff --git a/pis/squeezelite.cfg b/pis/squeezelite.cfg
new file mode 100644
index 0000000..3f3e40e
--- /dev/null
+++ b/pis/squeezelite.cfg
@@ -0,0 +1,3 @@
+SL_NAME="{{squeezelite_name}}"
+SL_SOUNDCARD="pulse"
+SB_SERVER_IP="192.168.178.80"