diff -urN midi_prog-/Makefile midi_prog/Makefile
--- midi_prog-/Makefile	Sat Apr  5 22:00:00 2014
+++ midi_prog/Makefile	Wed Apr 23 23:30:00 2014
@@ -1,7 +1,9 @@
-CC = gcc -Wall
-LIB = -lm
-TARG = prog31
+CC = gcc
+LIB = -lm -lpthread -L../cui -lcui
+TARG = prog32
 OBJS = main.o vcf.o ch.o delay.o stat.o note.o env.o tone.o filter.o lfo.o modu.o vco.o wave.o out.o rd.o util.o
+OBJS += pth.o
+CFLAGS += -Wall -I..
 
 all: $(TARG)
 
diff -urN midi_prog-/main.c midi_prog/main.c
--- midi_prog-/main.c	Fri Apr  4 00:00:00 2014
+++ midi_prog/main.c	Wed Apr 23 23:30:00 2014
@@ -4,6 +4,7 @@
 #include "note.h"
 #include "stat.h"
 #include "ch.h"
+#include "pth.h"
 
 static int
 header(void)
@@ -73,6 +74,9 @@
 	struct out_rec otr;
 	int tempo, tempo_delta_sum;
 	double tempo_sec;
+	pthread_t pth;
+
+	if(pthread_create(&pth, NULL, pth_func, av)) ERR("pthrad_create");
 
 	out_init(&otr, ac, av);
 	note_buf_init();
diff -urN midi_prog-/pth.c midi_prog/pth.c
--- midi_prog-/pth.c	Thu Jan  1 09:00:00 1970
+++ midi_prog/pth.c	Wed Apr 23 23:30:00 2014
@@ -0,0 +1,51 @@
+#include "pth.h"
+#include "cui/cui.h"
+#include "cui/scpanel.h"
+#include "cui/button.h"
+#include "cui/menu.h"
+#include "cui/handler.h"
+#include "tone.h"
+
+static int
+hdr(cui obj, int evt, int val, void *prm)
+{
+	cui sheet = (cui)prm;
+	int n;
+	struct tone_compo_rec *tcr = tone_compo_get(0, 69, &n);
+	struct tone_rec *tr = tcr[0].tone;
+	cui wave1 = cui_index_to_child(sheet, 1);
+	cui wave2 = cui_index_to_child(sheet, 2);
+	if(wave1->flags & CUI_FLG_HIDE){
+		cui_menu_popup_vp_set(wave1, &tr->vco.wave1);
+		cui_show(wave1);
+		cui_menu_popup_vp_set(wave2, &tr->vco.wave2);
+		cui_show(wave2);
+	}
+	return TRUE;
+}
+
+void *
+pth_func(void *arg)
+{
+	char **av = (char **)arg;	
+	int init_ret = cui_init(av);
+	
+	cui root = cui_scpanel_new(NULL, 0, 0, 20, 8, "cui_tone");
+	cui sheet = cui_scpanel_sheet_get(root);
+	cui update = cui_button_new(sheet, 0, 0, "update");
+	char *lst[] = { "sin", "saw", "square", "noise", NULL };
+	cui wave1 = cui_menu_popup_new(sheet, 0, 1, 6+1, lst, 0);
+	cui wave2 = cui_menu_popup_new(sheet, 0, 2, 6+1, lst, 0);
+	
+	cui_hide(wave1);
+	cui_hide(wave2);
+	cui_bind(update, CUI_EVT_BUTTON, hdr, sheet);
+	cui_wh_fit(sheet);
+
+	cui_main(root, NULL);
+
+	cui_fini(init_ret);
+	return NULL;
+}
+
+/* EOF */
diff -urN midi_prog-/pth.h midi_prog/pth.h
--- midi_prog-/pth.h	Thu Jan  1 09:00:00 1970
+++ midi_prog/pth.h	Wed Apr 23 23:30:00 2014
@@ -0,0 +1,8 @@
+#ifndef __PTH_H__
+#define __PTH_H__
+
+#include <pthread.h>
+
+void *pth_func(void *arg);
+
+#endif