diff --git a/dsp/cmDspClass.c b/dsp/cmDspClass.c
index 1fffb6f..bb2c32e 100644
--- a/dsp/cmDspClass.c
+++ b/dsp/cmDspClass.c
@@ -764,6 +764,15 @@ cmReal_t cmDspReal( cmDspInst_t* inst, unsigned varId )
   return cmDsvGetReal(vp); 
 }
 
+void* cmDspPtr( cmDspInst_t* inst, unsigned varId )
+{
+  cmDspValue_t* vp;
+  if(_cmDspVarValuePtr(inst,varId,&vp) != kOkDspRC )
+    return NULL;
+
+  return cmDsvPtr(vp);
+}
+
 const cmChar_t* cmDspStrcz( cmDspInst_t* inst, unsigned varId )
 {
   cmDspValue_t* vp;
@@ -924,6 +933,10 @@ cmDspRC_t   cmDspValueSet( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, c
       cmDsvSetReal(dvp, cmDsvGetReal(svp));
       break;
 
+    case kPtrDsvFl:
+      cmDsvSetPtr(dvp, cmDsvGetPtr(svp));
+      break;
+
     case kSymDsvFl:
       cmDsvSetSymbol(dvp, cmDsvGetSymbol(svp));
       break;
@@ -1184,6 +1197,13 @@ cmDspRC_t  cmDspSetReal(    cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId,
   return cmDspValueSet(ctx, inst, varId, &v, 0);
 }
 
+cmDspRC_t  cmDspSetPtr(    cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, void* val )
+{ 
+  cmDspValue_t v;
+  cmDsvSetPtr(&v,val);
+  return cmDspValueSet(ctx, inst, varId, &v, 0);
+}
+
 cmDspRC_t  cmDspSetStrcz(    cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, const cmChar_t* val )
 { 
   cmDspValue_t v;
diff --git a/dsp/cmDspClass.h b/dsp/cmDspClass.h
index 27cfb55..820aa32 100644
--- a/dsp/cmDspClass.h
+++ b/dsp/cmDspClass.h
@@ -271,6 +271,7 @@ extern "C" {
   double          cmDspDouble( cmDspInst_t* inst, unsigned varId );
   cmSample_t      cmDspSample( cmDspInst_t* inst, unsigned varId );
   cmReal_t        cmDspReal(   cmDspInst_t* inst, unsigned varId );
+  void*           cmDspPtr(    cmDspInst_t* inst, unsigned varId );
   const cmChar_t* cmDspStrcz(   cmDspInst_t* inst, unsigned varId );
   unsigned        cmDspSymbol( cmDspInst_t* inst, unsigned varId );
   cmJsonNode_t*   cmDspJson(   cmDspInst_t* inst, unsigned varId );
@@ -346,6 +347,7 @@ extern "C" {
   cmDspRC_t   cmDspSetDouble(        cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, double          val );
   cmDspRC_t   cmDspSetSample(        cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, cmSample_t      val );
   cmDspRC_t   cmDspSetReal(          cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, cmReal_t        val );
+  cmDspRC_t   cmDspSetPtr(           cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, void*           val );
   cmDspRC_t   cmDspSetStrcz(         cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, const cmChar_t* val );
   cmDspRC_t   cmDspSetSymbol(        cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, unsigned        val );
   cmDspRC_t   cmDspSetJson(          cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned varId, cmJsonNode_t*   val );
@@ -401,7 +403,8 @@ extern "C" {
   cmDspRC_t  cmDspUiLabelCreate(       cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned lblVarId,  unsigned alignVarId );
   cmDspRC_t  cmDspUiTimeLineCreate(    cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned tlFileVarId,  unsigned audPathVarId, unsigned selVarId, unsigned cursVarId );
   cmDspRC_t  cmDspUiScoreCreate(       cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned scFileVarId,  unsigned selVarId, unsigned smpIdxVarId, unsigned pitchVarId, unsigned velVarId, unsigned locIdxVarIdx, unsigned evtIdxVarIdx, unsigned dynLvlVarIdx, unsigned valTypeVarIdx, unsigned valueVarIdx );
-  cmDspRC_t  cmDspUiTakeSeqBldrCreate( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned fileNameVarId );
+  cmDspRC_t  cmDspUiTakeSeqBldrCreate( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned fileNameVarId, unsigned ptrVarId, unsigned selVarId, unsigned refreshVarId );
+  cmDspRC_t  cmDspUiTakeSeqRendCreate( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned ptrVarId,      unsigned refreshVarId, unsigned selVarId  );
 
   cmDspRC_t  cmDspUiNewColumn(        cmDspCtx_t* ctx, unsigned colW );
   cmDspRC_t  cmDspUiInsertHorzBorder( cmDspCtx_t* ctx );
diff --git a/dsp/cmDspUi.c b/dsp/cmDspUi.c
index 4c94044..8eb388e 100644
--- a/dsp/cmDspUi.c
+++ b/dsp/cmDspUi.c
@@ -415,20 +415,44 @@ cmDspRC_t  cmDspUiScoreCreate( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned scFi
   return rc;
 }
 
-cmDspRC_t  cmDspUiTakeSeqBldrCreate( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned fileNameVarId )
+cmDspRC_t  cmDspUiTakeSeqBldrCreate( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned fileNameVarId, unsigned ptrVarId, unsigned selVarId, unsigned refreshVarId )
 {
   cmDspRC_t    rc;
-  unsigned     arr[] = { fileNameVarId  };
+  unsigned     arr[] = { fileNameVarId, ptrVarId, selVarId, refreshVarId  };
   cmDspValue_t v;
   unsigned     vn    = sizeof(arr)/sizeof(arr[0]);
   cmDsvSetUIntMtx(&v,arr,vn,1);
 
-  // tell the UI to create a time-line control
+  // tell the UI to create a sequence builder  control
   if((rc = _cmDspUiMsg( ctx, kUiSelAsId, kTakeSeqBldrDuiId, 0, inst, cmInvalidId, &v )) != kOkDspRC )
     return cmDspInstErr(ctx,inst,kUiEleCreateFailDspRC,"Take Sequence Builder UI element create failed.");
 
   // Setting kUiDsvFl will cause variable values to be sent to the UI whenever they change.
   cmDspInstVarSetFlags( ctx, inst, fileNameVarId,  kUiDsvFl );
+  cmDspInstVarSetFlags( ctx, inst, ptrVarId,       kUiDsvFl );
+  cmDspInstVarSetFlags( ctx, inst, selVarId,       kUiDsvFl );
+  cmDspInstVarSetFlags( ctx, inst, refreshVarId,   kUiDsvFl );
+
+  return rc;
+}
+
+
+cmDspRC_t  cmDspUiTakeSeqRendCreate( cmDspCtx_t* ctx, cmDspInst_t* inst, unsigned ptrVarId, unsigned refreshVarId, unsigned selVarId )
+{
+  cmDspRC_t    rc;
+  unsigned     arr[] = { ptrVarId, refreshVarId, selVarId  };
+  cmDspValue_t v;
+  unsigned     vn    = sizeof(arr)/sizeof(arr[0]);
+  cmDsvSetUIntMtx(&v,arr,vn,1);
+
+  // tell the UI to create a sequence render  control
+  if((rc = _cmDspUiMsg( ctx, kUiSelAsId, kTakeSeqRendDuiId, 0, inst, cmInvalidId, &v )) != kOkDspRC )
+    return cmDspInstErr(ctx,inst,kUiEleCreateFailDspRC,"Take Sequence Render UI element create failed.");
+
+  // Setting kUiDsvFl will cause variable values to be sent to the UI whenever they change.
+  cmDspInstVarSetFlags( ctx, inst, ptrVarId,       kUiDsvFl );
+  cmDspInstVarSetFlags( ctx, inst, refreshVarId,   kUiDsvFl );
+  cmDspInstVarSetFlags( ctx, inst, selVarId,       kUiDsvFl );
 
   return rc;
 }