diff --git a/src/caw/main.cfg b/src/caw/main.cfg
index b6afb4f..6abebd8 100644
--- a/src/caw/main.cfg
+++ b/src/caw/main.cfg
@@ -8,6 +8,8 @@
 
     rt_sine_00: {
 
+      durLimitSecs:5.0,
+
       network: {
       
         procs: {
@@ -310,13 +312,13 @@
        non_real_time_fl:false,
        network: {
          procs: {
-	   mf:   { class: midi_file, args:{ csv_fname:"~/temp/wt/60_sample.csv" }},
+	   mf:   { class: midi_file, args:{ csv_fname:"~/temp/wt3/21_sample.csv" }},
 	   mout: { class: midi_out  in:{ in:mf.out }, args:{ dev_label:"MIDIFACE 2x2", port_label:"MIDIFACE 2x2 Midi Out 1" }},
 	   stop: { class: halt,     in:{ in:mf.done_fl }}		       
 
 	   ain:   { class: audio_in,                           args:{ dev_label:"main" }},
 	   split: { class: audio_split,    in:{ in:ain.out }   args:{ select: [0,0, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1] }},
-	   af:    { class: audio_file_out, in:{ in:split.out0 }, args:{ fname:"~/temp/wt/wav/60_samples.wav"}},	  
+	   af:    { class: audio_file_out, in:{ in:split.out0 }, args:{ fname:"~/temp/wt3/wav/21_samples.wav"}},	  
 	   aout:  { class: audio_out,      in:{ in:ain.out },  args:{ dev_label:"main"}},
 
 	 }
@@ -427,17 +429,18 @@
 	  }
 
           asil: { class: audio_silence, args:{ ch_cnt:6 }}, 
-	  amix: { class: audio_mix,   in:{ in_:voice_poly.voc_.out } },
+	  amix: { class: audio_mix,   in:{ in_:voice_poly.voc_.out } args:{ igain_:1.0} },
 	  asel: { class: audio_split, in:{ in:amix.out }, args:{ select:[0,1] }},
-	  amrg: { class: audio_merge, in:{ in0:asil.out, in1:asel.out0, in2:asel.out0 } },
+	  amrg: { class: audio_merge, in:{ in0:asil.out, in1:asel.out0, in2:asel.out1 }, args:{ out_gain:2.0 } },
 	  aout: { class: audio_out,   in:{ in:amrg.out }, args:{ dev_label:"main"}}
 	}
       }
     }
 
+    // Play stereo audio out channels 7&8 of the Scarlett.
     audio_test_21: {
       non_real_time_fl:false,
-      durLimitSecs:5,
+      durLimitSecs:10,
       network: {
         procs:  {
 	  asil: { class:audio_silence, args:{ ch_cnt:6 }}
@@ -449,5 +452,61 @@
 	}
       }
     }
+
+    piano_voice_22: {
+      non_real_time_fl:false,
+      durLimitSecs:30,
+      
+      network: {
+        procs: {
+
+
+	  mf:   { class: midi_file, args:{ csv_fname:"~/temp/wt1/60_sample.csv" }},
+	  stop: { class: halt,     in:{ in:mf.done_fl }}		       
+          vctl: { class: poly_voice_ctl, in:{ in:mf.out }, args:{ voice_cnt:3  } },
+
+	  voice_poly: {
+	    class: poly,
+	    args: { count:3 }
+
+	    network: {
+	      procs: {
+	        voc: { class:piano_voice, in:{ _.in:_.vctl.out_ },
+		                          out:{ _.done_fl:_.vctl.done_fl_ },
+					  args:{ wtb_dir:"~/temp/wt1/bank", wtb_instr:"piano" } },
+	      }
+	    }
+	  }
+
+          asil: { class: audio_silence, args:{ ch_cnt:6 }}, 
+	  amix: { class: audio_mix,   in:{ in_:voice_poly.voc_.out }     args:{ igain_:1.0 }},
+	  amrg: { class: audio_merge, in:{ in0:asil.out, in1:amix.out }, args:{ out_gain:1.0 } },
+	  aout: { class: audio_out,   in:{ in:amrg.out }, args:{ dev_label:"main"}}
+	}
+      }
+    }
+
+    sample_gen_23: {
+       non_real_time_fl:false,
+       network: {
+         procs: {
+	   mf:   { class: midi_file, args:{ csv_fname:"~/temp/wt1/21_sample.csv" }},
+	   mout: { class: midi_out  in:{ in:mf.out }, args:{ dev_label:"MIDIFACE 2x2", port_label:"MIDIFACE 2x2 Midi Out 1" }},
+	   stop: { class: halt,     in:{ in:mf.done_fl }}		       
+
+	   ain:   { class: audio_in,                           args:{ dev_label:"main" }},
+	   split: { class: audio_split,    in:{ in:ain.out }   args:{ select: [0,0, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1] }},
+
+
+	   //af:    { class: audio_file_out, in:{ in:split.out0 }, args:{ bits:0, fname:"~/temp/test.wav"}},	  
+
+	   asil: { class: audio_silence, args:{ ch_cnt:6 }}, 
+	   amrg: { class: audio_merge, in:{ in0:asil.out, in1:split.out0 }, args:{ out_gain:1.0 } },	   
+	   aout: { class: audio_out,   in:{ in:amrg.out }, args:{ dev_label:"main"}}
+	 }
+       }    		   
+    },
+
+
   }
 }
\ No newline at end of file