diff -r faff38055a07 -r 8af5ed0521a2 server/src/app/Libraries/Mergers/CocoonSoundRdfMerger.php
--- a/server/src/app/Libraries/Mergers/CocoonSoundRdfMerger.php	Wed Jan 20 20:46:59 2016 +0100
+++ b/server/src/app/Libraries/Mergers/CocoonSoundRdfMerger.php	Wed Feb 03 00:40:35 2016 +0100
@@ -127,9 +127,23 @@
             "http://purl.org/dc/terms/available",
             "http://purl.org/dc/terms/created",
             "http://purl.org/dc/terms/issued",
-            "http://purl.org/dc/terms/modified"
         ], $targetArray, $baseRes, $srcRes);
 
+        // Must handle modified
+        $isBaseText = false;
+        foreach ($baseRes->all("dc11:type","resource") as $resType) {
+            $type = $resType->getUri();
+            if($type === 'http://purl.org/dc/dcmitype/Text') {
+                $isBaseText = true;
+                break;
+            }
+        }
+        if($isBaseText) {
+            // The base is Text. In this case for http://purl.org/dc/terms/mofified,
+            // the sound takes over. So we switch baseRes with srcRes in the arguments
+            $this->mergeProperties([], ["http://purl.org/dc/terms/mofified"], $targetArray, $srcRes, $baseRes);
+        }
+
     }
 
     protected function mergeEdmWebResources($baseRes, $srcRes, $uri=null) {