diff --git a/src/caw/ui/ui_caw.cfg b/src/caw/ui/ui_caw.cfg
index 2384d64..8da0064 100644
--- a/src/caw/ui/ui_caw.cfg
+++ b/src/caw/ui/ui_caw.cfg
@@ -6,19 +6,64 @@
     
   programs: {
 
-    af_in_with_meter: {
-
-      //dur_limit_secs:5.0,
+    ex_01_meter: {
 
       network: {
       
         procs: {
 	  af: { class:audio_file_in, args:{ fname:"$/60_samples.wav", eofFl:false, on_off:true }},	  
 	  aout:{ class:audio_out, in:{ in:af.out }, args:{ dev_label:"main"} }
-	  mtr: { class:audio_meter, in:{ in:af.out } args:{ rpt_ms: 50 }
+	  mtr: { class:audio_meter, in:{ in:af.out } args:{ rpt_ms: 50 } }
 	  
-	}
+        }
       }
     }
-  }
+
+   ex_02_mod_sine: {
+
+      network: {
+
+        procs: {
+          lfo:   { class: sine_tone, args:{ hz:3, dc:440, gain:110 }}
+          sh:    { class: sample_hold,            in:{ in:lfo.out } }
+          osc:   { class: sine_tone, preset:mono, in:{ hz:sh.out } },
+	  aout:  { class:audio_out, in:{ in:osc.out }, args:{ dev_label:"main"} }
+        }
+      }
+    }
+
+   // Demonstrate a network with a polyphonic subnet.
+   ex_03_homog_poly: {
+   
+     network: {
+
+        procs: {
+
+          g_list:  { class: list, args: { in:0, list:[ 110f,220f,440f ]}},
+	  dc_list: { class: list, args: { in:0, list:[ 220f,440f,880f ]}},
+	  
+          osc_poly: {
+	    class: poly,
+	    
+	    // Create 3 instances of 'network' and run them in concurrently.
+	    args: { count:3, parallel_fl:true },  
+	   
+	    network: {
+	      procs: {
+	        lfo:  { class: sine_tone,   in:{ _.dc:_.dc_list.value_, _.gain:_.g_list.value_ }  args: { ch_cnt:1, hz:3 }},
+	        sh:   { class: sample_hold, in:{ in:lfo.out }},
+	        osc:  { class: sine_tone,   in:{ hz: sh.out }},
+	      }
+	    }       	    
+	  }
+
+          // Iterate over the instances of `osc_poly.osc_.out` to create one `audio_merge`
+	  // input for every output from the polyphonic network.
+	  merge: { class: audio_merge,    in:{ in_:osc_poly.osc_.out}, args:{ gain:1, out_gain:0.5 }},
+	  aout:  { class:audio_out, in:{ in:merge.out }, args:{ dev_label:"main"} }
+        }
+      }
+    }
+  
+
 }
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