diff --git a/README.md b/README.md
index a9a63f0..4ae9ed0 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,6 @@ Change Volume (triggered by changing '.control.volume')
 
 ### **WORK IN PROGRESS**
 
--   (Uwe Nagel) state roles set according to standard
 -   (Uwe Nagel) subscribeState calls eliminated
 -   (Uwe Nagel) Instance prefixes in ObjectIds are omitted when calling setState()
 -   (Uwe Nagel) State change now honors ack flag
diff --git a/main.js b/main.js
index 99d5eba..e6bc7de 100644
--- a/main.js
+++ b/main.js
@@ -73,7 +73,9 @@ class Bluesound extends utils.Adapter {
         // set Info
 
         let sNameTag = 'info.name';
+        this.subscribeStates(sNameTag);
         const sModelNameTag = 'info.modelname';
+        this.subscribeStates(sModelNameTag);
         try {
             const response = await apiClient.get('/SyncStatus');
             if (response.status === 200) {
@@ -96,15 +98,19 @@ class Bluesound extends utils.Adapter {
 
         // stop = false
         sNameTag = 'control.stop';
+        this.subscribeStates(sNameTag);
         this.setState(sNameTag, false, true);
         // pause = false
         sNameTag = 'control.pause';
+        this.subscribeStates(sNameTag);
         this.setState(sNameTag, false, true);
         // play = false
         sNameTag = 'control.play';
+        this.subscribeStates(sNameTag);
         this.setState(sNameTag, false, true);
         // state = ""
         sNameTag = 'control.state';
+        this.subscribeStates(sNameTag);
         this.setState(sNameTag, '', true);
 
         // volume from player
@@ -118,9 +124,11 @@ class Bluesound extends utils.Adapter {
                         return;
                     }
                     sNameTag = 'control.volume';
+                    this.subscribeStates(sNameTag);
                     this.setState(sNameTag, parseInt(result.volume._), true);
 
                     sNameTag = 'info.volume';
+                    this.subscribeStates(sNameTag);
                     this.setState(sNameTag, parseInt(result.volume._), true);
                 });
             } else {
@@ -159,6 +167,7 @@ class Bluesound extends utils.Adapter {
                                 const sTag = `presets.preset${sPresetID}.${obj.common.name}`;
                                 for (const x in data1) {
                                     if (x == obj.common.name) {
+                                        this.subscribeStates(sTag);
                                         if (obj.common.type == 'number') {
                                             this.setState(sTag, parseInt(data1[x]), true);
                                         } else {
@@ -245,6 +254,7 @@ class Bluesound extends utils.Adapter {
                                                 return;
                                             }
                                             const sStateTag = 'control.state';
+                                            this.subscribeStates(sStateTag);
                                             this.setState(sStateTag, result.state, true);
                                             this.log.info(`${this.namespace} Preset${preset} Start`);
                                         });
@@ -269,6 +279,7 @@ class Bluesound extends utils.Adapter {
                                         return;
                                     }
                                     const sStateTag = 'control.state';
+                                    this.subscribeStates(sStateTag);
                                     this.setState(sStateTag, result.state, true);
                                     this.log.info(`${this.namespace} Pause`);
                                 });
@@ -290,6 +301,7 @@ class Bluesound extends utils.Adapter {
                                         return;
                                     }
                                     const sStateTag = 'control.state';
+                                    this.subscribeStates(sStateTag);
                                     this.setState(sStateTag, result.state, true);
                                     this.log.info(`${this.namespace} Stop`);
                                 });
@@ -312,6 +324,7 @@ class Bluesound extends utils.Adapter {
                                         return;
                                     }
                                     const sStateTag = 'control.state';
+                                    this.subscribeStates(sStateTag);
                                     this.setState(sStateTag, result.state, true);
                                     this.log.info(`${this.namespace} Play`);
                                 });
@@ -373,6 +386,7 @@ class Bluesound extends utils.Adapter {
 
     async clearPlayerStatus() {
         let i;
+        this.subscribeStates('info.title*');
         for (i = 1; i < 4; i++) {
             const sStateTag = `info.title${i}`;
             await this.setStateAsync(sStateTag, { val: '', ack: true });
@@ -450,10 +464,13 @@ class Bluesound extends utils.Adapter {
 
                 if (pState != pStateOld.val) {
                     const sStateTag = 'control.state';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: pState, ack: true });
                 }
 
                 if (pState == 'stream' || pState == 'play') {
+                    this.subscribeStates('info.title*');
+
                     for (i = 1; i < 4; i++) {
                         const sStateTag = `info.title${i}`;
                         const valOld = await this.getStateAsync(sStateTag);
@@ -464,18 +481,23 @@ class Bluesound extends utils.Adapter {
                     }
 
                     let sStateTag = 'info.secs';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: parseInt(varSecs), ack: true });
 
                     sStateTag = 'info.totlen';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: parseInt(varTotLen), ack: true });
 
                     sStateTag = 'info.str_secs';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: strSecs, ack: true });
 
                     sStateTag = 'info.str_totlen';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: strTotLen, ack: true });
 
                     sStateTag = 'info.image';
+                    this.subscribeStates(sStateTag);
                     let valOld = await this.getStateAsync(sStateTag);
 
                     if (valOld.val != imageUrl) {
@@ -484,6 +506,7 @@ class Bluesound extends utils.Adapter {
                     }
 
                     sStateTag = 'info.volume';
+                    this.subscribeStates(sStateTag);
                     valOld = await this.getStateAsync(sStateTag);
                     if (valOld.val != varVolume) {
                         await this.setStateAsync(sStateTag, { val: parseInt(varVolume), ack: true });
@@ -496,12 +519,15 @@ class Bluesound extends utils.Adapter {
                     }
 
                     let sStateTag = 'info.secs';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: 0, ack: true });
 
                     sStateTag = 'info.totlen';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: 0, ack: true });
 
                     sStateTag = 'info.image';
+                    this.subscribeStates(sStateTag);
                     await this.setStateAsync(sStateTag, { val: '', ack: true });
                 }
             } else {