diff --git a/cwFlowProc.cpp b/cwFlowProc.cpp
index 9bb9c36..50e8dbb 100644
--- a/cwFlowProc.cpp
+++ b/cwFlowProc.cpp
@@ -209,7 +209,7 @@ namespace cw
 
       } inst_t;
 
-      rc_t _voice_thread_func( void* arg )
+      rc_t _poly_thread_func( void* arg )
       {
         rc_t rc = kOkRC;
         voice_t* v = (voice_t*)arg;
@@ -325,7 +325,7 @@ namespace cw
             inst->voiceA[i].voice_idx = i;
             inst->voiceA[i].net       = net;
             
-            inst->taskA[i].func = _voice_thread_func;
+            inst->taskA[i].func = _poly_thread_func;
             inst->taskA[i].arg  = inst->voiceA + i;
 
             net = net->poly_link;
@@ -377,9 +377,13 @@ namespace cw
         }
         else
         {
-          if((rc = exec_cycle(*proc->internal_net)) != kOkRC )
+          for(network_t* net=proc->internal_net; net!=nullptr; net=net->poly_link)
           {
-            rc = cwLogError(rc,"poly internal network exec failed.");
+            if((rc = exec_cycle(*net)) != kOkRC )
+            {
+              rc = cwLogError(rc,"poly internal network exec failed.");
+              break;
+            }
           }
         }
         
@@ -4243,6 +4247,8 @@ namespace cw
         v->activeFl = true;
         v->pitch    = m->d0;
 
+        //printf("v_idx:%i non\n",voice_idx);
+
         rc = _update_voice_msg(proc,p,voice_idx,m);        
         
         return rc;
@@ -4572,11 +4578,13 @@ namespace cw
         unsigned      test_pitchN;     // Count of valid velocities for test_pitch 
         unsigned*     test_pitch_map;  // test_pitch_map[ test_pitch_N ]
 
-        bool done_fl;
+        bool    done_fl;
         coeff_t gain;
         coeff_t gain_coeff;
         coeff_t kReleaseGain;
         coeff_t kGainThreshold;
+        bool    isSustainDownFl;
+        bool    heldByPedalFl;
         
       } inst_t;
 
@@ -4588,7 +4596,7 @@ namespace cw
         unsigned    padSmpN       = 1;
         
         // if the global wave table bank has not yet been created
-        if((p->wtbH_ptr = (wt_bank::handle_t*)network_global_var(proc, wtb_var_label )) == nullptr )
+        if((p->wtbH_ptr = (wt_bank::handle_t*)global_var(proc, wtb_var_label )) == nullptr )
         {
           wt_bank::handle_t wtbH;
           
@@ -4606,13 +4614,13 @@ namespace cw
           }
 
           // store the wave table bank global var
-          if((rc = network_global_var_alloc(proc, wtb_var_label, &wtbH, sizeof(wtbH) )) != kOkRC )
+          if((rc = global_var_alloc(proc, wtb_var_label, &wtbH, sizeof(wtbH) )) != kOkRC )
           {
             rc = cwLogError(rc,"The wave table bank global variable allocation failed.");
             goto errLabel;
           }
 
-          if((p->wtbH_ptr = (wt_bank::handle_t*)network_global_var(proc, wtb_var_label )) == nullptr )
+          if((p->wtbH_ptr = (wt_bank::handle_t*)global_var(proc, wtb_var_label )) == nullptr )
           {
             rc = cwLogError(rc,"The wave table bank global variable store failed.");
             goto errLabel;
@@ -4733,7 +4741,7 @@ namespace cw
           d0 = p->test_pitch;
         }
 
-        printf("%i %i\n",d0,d1);
+        //printf("%s:%i %i %i\n",proc->label,proc->label_sfx_id,d0,d1);
         
         // get the wave-table associated with the pitch and velocity
         if((rc = get_wave_table(  *p->wtbH_ptr, p->wtb_instr_idx, d0, d1, mcs)) != kOkRC )
@@ -4751,21 +4759,40 @@ namespace cw
                 
         p->done_fl        = false;
         p->kGainThreshold = 0.01;
-        p->kReleaseGain   = 0.9;
+        p->kReleaseGain   = 0.98;
         p->gain           = 1.0;
         p->gain_coeff     = 1.0;
+        p->heldByPedalFl  = false;
         
       errLabel:
         return rc;
       }
 
-      void _on_note_off( inst_t* p )
+      void _begin_note_release( inst_t* p )
       {
-        p->gain_coeff = p->kReleaseGain;
-        //printf("%i nof: %i %i\n",proc->label_sfx_id,m->d0,m->d1);
-        
+        p->gain_coeff = p->kReleaseGain;        
       }
 
+      void _on_note_off( inst_t* p )
+      {
+        if( p->isSustainDownFl )
+          p->heldByPedalFl = true;
+        else
+          _begin_note_release(p);
+        
+        //printf("%i nof: %i %i\n",proc->label_sfx_id,m->d0,m->d1);
+      }
+
+      void _on_sustain_pedal(proc_t* proc, inst_t* p, bool pedal_down_fl )
+      {
+        p->isSustainDownFl = pedal_down_fl;
+        
+        if( !p->isSustainDownFl && p->heldByPedalFl )
+          _begin_note_release(p);
+
+        //printf("%s:%i %s\n",proc->label,proc->label_sfx_id,pedal_down_fl ? "V" : "^");
+
+      }
 
       rc_t _destroy( proc_t* proc, inst_t* p )
       {
@@ -4823,6 +4850,11 @@ namespace cw
 
             case midi::kPbendMdId:
               break;
+
+            case midi::kCtlMdId:
+              if( midi::isSustainPedal( m->status, m->d0 ) )
+                _on_sustain_pedal(proc,p, midi::isPedalDown(m->d1) );
+              break;
               
             default:
               break;