diff --git a/src/proc/asset/sequence.cpp b/src/proc/asset/sequence.cpp
index 0090a62ef..7e1d4ec63 100644
--- a/src/proc/asset/sequence.cpp
+++ b/src/proc/asset/sequence.cpp
@@ -23,6 +23,7 @@
 
 #include "proc/asset/sequence.hpp"
 //#include "proc/mobject/session/track.hpp"
+#include "proc/assetmanager.hpp"
 //#include "proc/mobject/placement.hpp"
 //#include "proc/mobject/session/mobjectfactory.hpp"
 
@@ -33,10 +34,20 @@ namespace asset {
   /** create an empty default configured Sequence */
   Sequence::Sequence (const Asset::Ident& idi)
     : Struct (idi)
-//  : track (makeDefaultTrack ())
-//  , clips (0)
+  { }
+  
+  
+  PSequence
+  Sequence::create (Asset::Ident const& idi)
   {
+    REQUIRE (getRegistry);
     
+    PSequence newSeq (AssetManager::instance().wrap (*new Sequence (idi)));
+    getRegistry().append (newSeq);
+    
+    ENSURE (newSeq);
+    ENSURE (getRegistry().isRegistered(*newSeq));
+    return newSeq;
   }
   
   
diff --git a/src/proc/asset/sequence.hpp b/src/proc/asset/sequence.hpp
index c24cfd3c0..6da5544b3 100644
--- a/src/proc/asset/sequence.hpp
+++ b/src/proc/asset/sequence.hpp
@@ -53,6 +53,8 @@
 //#include "proc/mobject/mobject.hpp"
 //#include "proc/mobject/placement.hpp"
 #include "proc/mobject/mobject-ref.hpp"
+#include "lib/p.hpp"
+#include "lib/element-tracker.hpp"
 
 //#include <vector>
 //#include <string>
@@ -71,21 +73,26 @@ namespace session {
 namespace asset {
   
   
+  class Sequence;
+  typedef lumiera::P<Sequence> PSequence;
+   
+  
   
   /**
    * TODO type comment
    */
   class Sequence 
     : public Struct
+    , public lib::AutoRegistered<Sequence>
     {
       typedef mobject::session::RTrack RTrack;
 
+      Sequence (Ident const&);   ///////////TODO pass in track here
+      
     public:
-       void detach() { TODO("Session-Sequence registration"); }
+      /** create and register a new Sequence instance */
+      static PSequence create (Asset::Ident const& idi);
      
-    protected:
-      Sequence (const Asset::Ident& idi);
-      friend class StructFactoryImpl;
     };
     
   
diff --git a/src/proc/asset/struct-factory-impl.hpp b/src/proc/asset/struct-factory-impl.hpp
index 3a28e80e4..fc2221d55 100644
--- a/src/proc/asset/struct-factory-impl.hpp
+++ b/src/proc/asset/struct-factory-impl.hpp
@@ -230,7 +230,9 @@ namespace asset {
     // - track doesn't exist --> create and root attach it
     // - track exists and is root attached, but belongs already to a sequence --> throw
     // - track exists, but isn't root attached ---> what do do here? steal it??
-    return new Sequence (createIdent (caps));  ///////////TODO fed track in here
+    PSequence newSequence = Sequence::create (createIdent (caps));                      ///////////TODO fed track in here
+    ENSURE (newSequence);
+    return newSequence.get(); 
   }