diff --git a/unpublishedScripts/DomainContent/CellScience/Scripts/navigationButton.js b/unpublishedScripts/DomainContent/CellScience/Scripts/navigationButton.js
index 2798b58807..ee8e3d0753 100644
--- a/unpublishedScripts/DomainContent/CellScience/Scripts/navigationButton.js
+++ b/unpublishedScripts/DomainContent/CellScience/Scripts/navigationButton.js
@@ -7,7 +7,7 @@
 
 (function() {
 
-    var version = 10;
+    var version = 11;
     var added = false;
     this.frame = 0;
     var utilsScript = Script.resolvePath('utils.js');
diff --git a/unpublishedScripts/DomainContent/CellScience/Scripts/playBackgroundAudio.js b/unpublishedScripts/DomainContent/CellScience/Scripts/playBackgroundAudio.js
index 6edccc211c..87302dd743 100644
--- a/unpublishedScripts/DomainContent/CellScience/Scripts/playBackgroundAudio.js
+++ b/unpublishedScripts/DomainContent/CellScience/Scripts/playBackgroundAudio.js
@@ -8,7 +8,7 @@
 (function() {
     var self = this;
     var baseURL = "https://hifi-content.s3.amazonaws.com/DomainContent/CellScience/";
-    var version = 10;
+    var version = 11;
     this.preload = function(entityId) {
         self.soundPlaying = false;
         self.entityId = entityId;
diff --git a/unpublishedScripts/DomainContent/CellScience/Scripts/showIdentification.js b/unpublishedScripts/DomainContent/CellScience/Scripts/showIdentification.js
index 7c019865e9..d8b32ab176 100644
--- a/unpublishedScripts/DomainContent/CellScience/Scripts/showIdentification.js
+++ b/unpublishedScripts/DomainContent/CellScience/Scripts/showIdentification.js
@@ -10,7 +10,7 @@
     var self = this;
     var baseURL = "https://hifi-content.s3.amazonaws.com/DomainContent/CellScience/";
 
-    var version = 1;
+    var version = 2;
     this.preload = function(entityId) {
         this.soundPlaying = null;
         this.entityId = entityId;
@@ -21,7 +21,7 @@
     }
 
     this.initialize = function(entityId) {
-        print(' should initialize' + entityId)
+        //print(' should initialize' + entityId)
         var properties = Entities.getEntityProperties(entityId);
         if (properties.userData.length === 0 || properties.hasOwnProperty('userData') === false) {
             self.initTimeout = Script.setTimeout(function() {
diff --git a/unpublishedScripts/DomainContent/CellScience/backgroundMusicAC.js b/unpublishedScripts/DomainContent/CellScience/backgroundMusicAC.js
new file mode 100644
index 0000000000..b38390ed3c
--- /dev/null
+++ b/unpublishedScripts/DomainContent/CellScience/backgroundMusicAC.js
@@ -0,0 +1,97 @@
+var soundMap = [{
+        name: 'Cells',
+        url: "http://hifi-content.s3.amazonaws.com/DomainContent/CellScience/Audio/Cells.wav",
+        audioOptions: {
+            position: {
+                x: 15850,
+                y: 15850,
+                z: 15850
+            },
+            volume: 0.4,
+            loop: true
+        }
+    }, {
+        name: 'Cell Layout',
+        url: "http://hifi-content.s3.amazonaws.com/DomainContent/CellScience/Audio/CellLayout.wav",
+        audioOptions: {
+            position: {
+                x: 15950,
+                y: 15950,
+                z: 15950
+            },
+            volume: 0.4,
+            loop: true
+        }
+    }, {
+        name: 'Ribsome',
+        url: "http://hifi-content.s3.amazonaws.com/DomainContent/CellScience/Audio/Ribosome.wav",
+        audioOptions: {
+            position: {
+                x: 15650,
+                y: 15650,
+                z: 15650
+            },
+            volume: 0.4,
+            loop: true
+        }
+    }, {
+        name: 'Hexokinase',
+        url: "http://hifi-content.s3.amazonaws.com/DomainContent/CellScience/Audio/Hexokinase.wav",
+        audioOptions: {
+            position: {
+                x: 15750,
+                y: 15750,
+                z: 15750
+            },
+            volume: 0.4,
+            loop: true
+        }
+    }
+
+];
+
+
+function loadSounds() {
+    soundMap.forEach(function(soundData) {
+        soundData.sound = SoundCache.getSound(soundData.url);
+    });
+}
+
+function playSound(soundData) {
+    if (soundData.injector) {
+        // try/catch in case the injector QObject has been deleted already
+        try {
+            soundData.injector.stop();
+        } catch (e) {
+            print('error playing sound' + e)
+        }
+    }
+    soundData.injector = Audio.playSound(soundData.sound, soundData.audioOptions);
+}
+
+function checkDownloaded(soundData) {
+    if (soundData.sound.downloaded) {
+
+        Script.clearInterval(soundData.downloadTimer);
+
+        if (soundData.hasOwnProperty('playAtInterval')) {
+            soundData.playingInterval = Script.setInterval(function() {
+                playSound(soundData)
+            }, soundData.playAtInterval);
+        } else {
+            playSound(soundData);
+        }
+
+    }
+}
+
+function startCheckDownloadedTimers() {
+    soundMap.forEach(function(soundData) {
+        soundData.downloadTimer = Script.setInterval(function() {
+            checkDownloaded(soundData);
+        }, 1000);
+    });
+}
+
+loadSounds();
+startCheckDownloadedTimers();
\ No newline at end of file
diff --git a/unpublishedScripts/DomainContent/CellScience/importCellScience.js b/unpublishedScripts/DomainContent/CellScience/importCellScience.js
index ad18c2db3c..fe4a3389e1 100644
--- a/unpublishedScripts/DomainContent/CellScience/importCellScience.js
+++ b/unpublishedScripts/DomainContent/CellScience/importCellScience.js
@@ -5,7 +5,7 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
-var version = 1015;
+var version = 1016;
 var cellLayout;
 var baseLocation = "https://hifi-content.s3.amazonaws.com/DomainContent/CellScience/";
 
@@ -115,8 +115,7 @@ var scenes = [{
         radius: 500,
         number: 10,
         userData: JSON.stringify({
-            target: locations.cellLayout[1],
-            location: locations.cellLayout[0],
+            location: locations.cellLayout[1],
             baseURL: baseLocation
         }),
         script: "zoom.js?" + version,
@@ -597,7 +596,7 @@ function ImportScene(scene) {
     CreateInstances(scene);
     CreateBoundary(scene);
 
-    CreateBackgroundAudio(scene.name, scene.location, scene.dimensions);
+   // CreateBackgroundAudio(scene.name, scene.location, scene.dimensions);
 
     // print("done " + scene.name);
 
@@ -654,9 +653,9 @@ function CreateNavigationButton(scene, number) {
             blue: 0
         },
         dimensions: {
-            x: 10,
-            y: 10,
-            z: 10
+            x: 16000,
+            y: 16000,
+            z: 16000
         },
         visible: false,
         userData: JSON.stringify({
@@ -669,7 +668,7 @@ function CreateNavigationButton(scene, number) {
                 grabbable: false
             }
         }),
-        // position:{x:3000,y:13500,z:3000},
+        position:{x:0,y:0,z:0},
         script: baseLocation + "Scripts/navigationButton.js?" + version,
         collisionless: true,
 
@@ -853,10 +852,10 @@ function CreateBackgroundAudio(name, position) {
     Entities.addEntity({
         type: "Sphere",
         name: "Location " + name + " background audio",
-        dimensions: {
-            x: 4000,
-            y: 4000,
-            z: 4000
+       dimensions: {
+            x: 16000,
+            y: 16000,
+            z: 16000
         },
         position: position,
         visible: false,