diff --git a/Makefile.am b/Makefile.am
index f801fad..169b209 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -64,8 +64,11 @@ libcwSRC += src/libcw/cwIo.cpp src/libcw/cwIoTest.cpp   src/libcw/cwIoMinTest.cp
 libcwHDR += src/libcw/cwIoMidiRecordPlay.h    src/libcw/cwIoAudioRecordPlay.h   src/libcw/cwIoAudioMidiApp.h    src/libcw/cwIoFlow.h
 libcwSRC += src/libcw/cwIoMidiRecordPlay.cpp  src/libcw/cwIoAudioRecordPlay.cpp src/libcw/cwIoAudioMidiApp.cpp  src/libcw/cwIoFlow.cpp
 
-libcwHDR += src/libcw/cwIoPresetSelApp.h     src/libcw/cwPianoScore.h    src/libcw/cwPresetSel.h
-libcwSRC += src/libcw/cwIoPresetSelApp.cpp   src/libcw/cwPianoScore.cpp  src/libcw/cwPresetSel.cpp
+libcwHDR += src/libcw/cwIoPresetSelApp.h     src/libcw/cwPianoScore.h    src/libcw/cwPresetSel.h   
+libcwSRC += src/libcw/cwIoPresetSelApp.cpp   src/libcw/cwPianoScore.cpp  src/libcw/cwPresetSel.cpp 
+
+# libcwHDR += src/libcw/cwCmInterface.h    src/libcw/cwScoreFollower.h
+# libcwSRC += src/libcw/cwCmInterface.cpp  src/libcw/cwScoreFollower.cpp
 
 endif
 
diff --git a/cwCmInterface.cpp b/cwCmInterface.cpp
new file mode 100644
index 0000000..9830499
--- /dev/null
+++ b/cwCmInterface.cpp
@@ -0,0 +1,110 @@
+#include "cwCommon.h"
+#include "cwLog.h"
+#include "cwCommonImpl.h"
+#include "cwMem.h"
+#include "cwCmInterface.h"
+
+#include "cmGlobal.h"
+#include "cmFloatTypes.h"
+#include "cmRpt.h"
+#include "cmErr.h"
+#include "cmCtx.h"
+#include "cmMem.h"
+#include "cmMallocDebug.h"
+#include "cmLinkedHeap.h"
+#include "cmTime.h"
+#include "cmMidi.h"
+#include "cmSymTbl.h"
+#include "cmScore.h"
+#include "cmText.h"
+#include "cmFileSys.h"
+
+extern "C" {
+  void _cm_print_info( void* arg, const char* text )
+  {
+    cwLogInfo(text);
+  }
+
+  void _cm_print_error( void* arg, const char* text )
+  {
+    cwLogError(cw::kOpFailRC,text);
+  }
+}
+
+namespace cw
+{
+  namespace cm
+  {
+    typedef struct cm_str
+    {
+      ::cmCtx_t ctx;
+    } cm_t;
+
+    cm_t* _handleToPtr( handle_t h )
+    { return handleToPtr<handle_t,cm_t>(h); }
+
+    rc_t _destroy( cm_t* p )
+    {
+      if( p != nullptr )
+      {
+        cmTsFinalize();
+        cmFsFinalize();
+        cmMdReport( kIgnoreNormalMmFl );
+        cmMdFinalize();
+
+        mem::release(p);
+      }
+      return kOkRC;
+    }
+  }
+}
+
+cw::rc_t cw::cm::create( handle_t& hRef )
+{
+  rc_t            rc              = kOkRC;
+  cm_t*           p               = nullptr;
+  bool            memDebugFl      = 0; //cmDEBUG_FL;
+  unsigned        memGuardByteCnt = memDebugFl ? 8 : 0;
+  unsigned        memAlignByteCnt = 16;
+  unsigned        memFlags        = memDebugFl ? kTrackMmFl | kDeferFreeMmFl | kFillUninitMmFl : 0;  
+  const cmChar_t* appTitle        = "cwtest";
+
+  if((rc = destroy(hRef)) != kOkRC )
+    return rc;
+  
+  p = mem::allocZ<cm_t>();
+  
+  cmCtxSetup(&p->ctx,appTitle,_cm_print_info,_cm_print_error,NULL,memGuardByteCnt,memAlignByteCnt,memFlags);
+
+  cmMdInitialize( memGuardByteCnt, memAlignByteCnt, memFlags, &p->ctx.rpt );
+
+  cmFsInitialize( &p->ctx, appTitle);
+
+  cmTsInitialize( &p->ctx );
+
+  return rc;
+}
+
+cw::rc_t cw::cm::destroy( handle_t& hRef )
+{
+  rc_t rc = kOkRC;
+  cm_t* p = nullptr;
+  if( !hRef.isValid() )
+    return rc;
+
+  p = _handleToPtr(hRef);
+  
+  if((rc = _destroy(p)) != kOkRC )
+    return rc;
+
+  hRef.clear();
+  return rc;  
+  
+}
+
+::cmCtx_t* cw::cm::context( handle_t h )
+{
+  cm_t* p = _handleToPtr(h);
+  return &p->ctx;
+}
+
diff --git a/cwCmInterface.h b/cwCmInterface.h
new file mode 100644
index 0000000..557eac5
--- /dev/null
+++ b/cwCmInterface.h
@@ -0,0 +1,19 @@
+#ifndef cwCmInterface_h
+#define cwCmInterface_h
+
+namespace cw
+{
+  namespace cm {
+
+    extern "C" { struct cmCtx_str; }
+
+    typedef handle< struct cm_str > handle_t; 
+    
+    rc_t create( handle_t& hRef );
+    rc_t destroy( handle_t& hRef );
+    ::cmCtx_t* context( handle_t h );
+  }
+}
+
+
+#endif
diff --git a/cwScoreFollower.cpp b/cwScoreFollower.cpp
new file mode 100644
index 0000000..92e4caa
--- /dev/null
+++ b/cwScoreFollower.cpp
@@ -0,0 +1,130 @@
+#include "cwCommon.h"
+#include "cwLog.h"
+#include "cwCommonImpl.h"
+#include "cwMem.h"
+#include "cwText.h"
+#include "cwObject.h"
+#include "cwMidi.h"
+#include "cwScoreFollower.h"
+
+#include "cmGlobal.h"
+#include "cmFloatTypes.h"
+#include "cmRpt.h"
+#include "cmErr.h"
+#include "cmCtx.h"
+#include "cmTime.h"
+#include "cmMidi.h"
+#include "cmSymTbl.h"
+#include "cmScore.h"
+
+namespace cw
+{
+  namespace score_follower
+  {
+
+    typedef struct score_follower_str
+    {
+      unsigned search_area_locN;
+      unsigned key_wnd_locN;
+      char* score_csv_fname;
+      
+      
+    } score_follower_t;
+
+    score_follower_t* _handleToPtr( handle_t h )
+    { return handleToPtr<handle_t,score_follower_t>(h); }
+
+    
+    rc_t _parse_cfg( score_follower_t* p, const object_t* cfg )
+    {
+      rc_t rc = kOkRC;
+
+      const char* score_csv_fname;
+      
+      if((rc = cfg->getv("score_csv_fname",     score_csv_fname,
+                         "search_area_locN",    p->search_area_locN,
+                         "key_wnd_locN",        p->key_wnd_locN )) != kOkRC )
+      {
+        rc = cwLogError(kInvalidArgRC, "Score follower argument parsing failed.");
+        goto errLabel;
+      }
+
+      if((app->score_csv_fname = filesys::expandPath( score_csv_fname )) == nullptr )
+      {
+        rc = cwLogError(kOpFailRC,"Score follower score file expansion failed.");
+        goto errLabel;
+      }
+
+    errLabel:
+      return rc;
+    }
+    
+    rc_t _destroy( score_follower_t* p)
+    {
+      mem::release(p->score_csv_fname);
+      mem::release(p);
+      return kOkRC;
+    }
+  }
+}
+
+cw::rc_t cw::score_follower::create( handle_t& hRef, const object_t* cfg, double srate )
+{
+  rc_t rc = kOkRC;
+  score_follower_t* p = nullptr;
+  
+  if((rc = destroy(hRef)) != kOkRC )
+    return rc;
+
+  p = mem::allocZ<score_follower_t>();
+
+  if((rc = _parse_cfg(p,cfg)) != kOkRC )
+    goto errLabel;
+
+  cmScRC_t      cmScoreInitialize( cmCtx_t* ctx, cmScH_t* hp, const cmChar_t* fn, double srate, const unsigned* dynRefArray, unsigned dynRefCnt, cmScCb_t cbFunc, void* cbArg, cmSymTblH_t stH );
+  
+  //cmRC_t       cmScMatcherInit(  cmScMatcher* p, double srate, cmScH_t scH, unsigned scWndN, unsigned midiWndN, cmScMatcherCb_t cbFunc, void* cbArg );
+  
+  
+
+  hRef.set(p);
+  
+ errLabel:
+  if( rc != kOkRC )
+  {
+    _destroy(p);
+    cwLogError(rc,"Score follower create failed.");
+  }
+  
+  return rc;
+}
+    
+cw::rc_t cw::score_follower::destroy( handle_t& hRef )
+{
+  rc_t rc = kOkRC;
+  score_follower_t* p = nullptr;
+  
+  if( !hRef.isValid() )
+    return rc;
+
+  p = _handleToPtr(hRef);
+  
+  if((rc = _destroy(p)) != kOkRC )
+    return rc;
+
+  hRef.clear();
+  return rc;    
+}
+
+cw::rc_t cw::score_follower::reset( handle_t h, unsigned loc )
+{
+  rc_t rc = kOkRC;
+  return rc;
+}
+    
+cw::rc_t cw::score_follower::exec(  handle_t h, unsigned smpIdx, unsigned muid, unsigned status, uint8_t d0, uint8_t d1, unsigned* scLocIdxPtr )
+{
+  rc_t rc = kOkRC;
+  return rc;
+
+}
diff --git a/cwScoreFollower.h b/cwScoreFollower.h
new file mode 100644
index 0000000..a32d635
--- /dev/null
+++ b/cwScoreFollower.h
@@ -0,0 +1,21 @@
+#ifndef cwScoreFollower_h
+#define cwScoreFollower_h
+
+namespace cw
+{
+  namespace score_follower
+  {
+    typedef handle< struct score_follower_str > handle_t;
+    
+    rc_t create( handle_t& hRef, const object_t* cfg, double srate );
+    
+    rc_t destroy( handle_t& hRef );
+
+    rc_t reset( handle_t h, unsigned loc );
+    
+    rc_t exec(  handle_t h, unsigned smpIdx, unsigned muid, unsigned status, uint8_t d0, uint8_t d1, unsigned* scLocIdxPtr );
+  }
+}
+
+
+#endif