diff -urN midi_prog-/Makefile midi_prog/Makefile
--- midi_prog-/Makefile	Fri Apr 25 22:00:00 2014
+++ midi_prog/Makefile	Sat Apr 26 23:00:00 2014
@@ -1,6 +1,6 @@
 CC = gcc
 LIB = -lm -lpthread -L../cui -lcui
-TARG = prog35
+TARG = prog36
 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 += cui_tone.o
 CFLAGS += -Wall -I..
diff -urN midi_prog-/cui_tone.c midi_prog/cui_tone.c
--- midi_prog-/cui_tone.c	Fri Apr 25 22:00:00 2014
+++ midi_prog/cui_tone.c	Sat Apr 26 23:30:00 2014
@@ -21,16 +21,22 @@
 	int ch_v = cui_menu_int_get(ch);
 	cui note = cui_name_child(sheet, "note");
 	int note_v = cui_num_get(note);
-	cui bs_ch = cui_name_child(sheet, "bs_ch");
-	cui tone_i = cui_name_child(bs_ch, "tone_i");
+	cui tone_i = cui_name_child(sheet, "tone_i");
 	int i, n;
 	struct tone_compo_rec *tcr = tone_compo_get(ch_v, note_v, &n);
 	struct tone_rec *tr;
-	cui bs_vco = cui_name_child(bs_ch, "bs_vco");
-	cui wave1 = cui_name_child(bs_vco, "wave1");
-	cui wave2 = cui_name_child(bs_vco, "wave2");
-	cui tune = cui_name_child(bs_vco, "tune");
-	cui mix = cui_name_child(bs_vco, "mix");
+
+	cui wave1 = cui_name_child(sheet, "wave1");
+	cui wave2 = cui_name_child(sheet, "wave2");
+	cui tune = cui_name_child(sheet, "tune");
+	cui mix = cui_name_child(sheet, "mix");
+
+	cui filt1 = cui_name_child(sheet, "filt1");
+	cui filt2 = cui_name_child(sheet, "filt2");
+	cui freq1 = cui_name_child(sheet, "freq1");
+	cui freq2 = cui_name_child(sheet, "freq2");
+	cui Q1 = cui_name_child(sheet, "Q1");
+	cui Q2 = cui_name_child(sheet, "Q2");
 
 	i = cui_menu_int_get(tone_i);
 	tr = tcr[i].tone;
@@ -40,6 +46,13 @@
 	cui_num_vp_set(tune, &tr->vco.tune);
 	cui_num_dbl_vp_set(mix, &tr->vco.mix);
 
+	cui_menu_popup_vp_set(filt1, &tr->fl1.type);
+	cui_num_dbl_vp_set(freq1, &tr->fl1.freq);
+	cui_num_dbl_vp_set(Q1, &tr->fl1.Q);
+	cui_menu_popup_vp_set(filt2, &tr->fl2.type);
+	cui_num_dbl_vp_set(freq2, &tr->fl2.freq);
+	cui_num_dbl_vp_set(Q2, &tr->fl2.Q);
+
 	return TRUE;
 }
 
@@ -54,18 +67,18 @@
 	cui note = cui_name_child(sheet, "note");
 	int note_v = cui_num_get(note);
 	cui bs_ch = cui_name_child(sheet, "bs_ch");
-	cui prog = cui_name_child(bs_ch, "prog");
+	cui prog = cui_name_child(sheet, "prog");
 	static char prog_buf[16];
-	cui tone_n = cui_name_child(bs_ch, "tone_n");
+	cui tone_n = cui_name_child(sheet, "tone_n");
 	static char tone_n_buf[16];
-	cui tone_i = cui_name_child(bs_ch, "tone_i");
+	cui tone_i = cui_name_child(sheet, "tone_i");
 	int i, n;
 	struct tone_compo_rec *tcr = tone_compo_get(ch_v, note_v, &n);
 
 	cui_show_hide(bs_ch, tcr != NULL);
 	if(tcr == NULL) return TRUE;
 
-	sprintf(prog_buf, "prog=%d", CH_PROG(val));
+	sprintf(prog_buf, "prog=%d", CH_PROG(ch_v));
 	cui_label_str_set(prog, prog_buf);
 
 	sprintf(tone_n_buf, "tone_n=%d", n);
@@ -85,16 +98,17 @@
 	char **av = (char **)arg;	
 	int init_ret = cui_init(av);
 	
-	cui root = cui_scpanel_new(NULL, 0, 0, 40, 8, "cui_tone");
+	cui root = cui_scpanel_new(NULL, 0, 0, 44, 14, "cui_tone");
 	cui sheet = cui_scpanel_sheet_get(root);
-	cui ch, note, bs_ch, note_i, bs_vco;
+	cui ch, note, bs_ch, note_i, bs_vco, bs_filt;
 
 	char *wave_lst[] = { "sin", "saw", "square", "noise", NULL };
+	char *filt_lst[] = { "OFF", "LPF", "HPF", "BPF", NULL };
 
 	ch = cui_menu_int_new(sheet, 0, 0, 2+1, 0, 0, 15);
 	cui_wlb_name_new(sheet, "ch ", "ch", NULL);
 
-	note = cui_num_new(sheet, CUI_CHILD_X2+1, CUI_CHILD_Y, 3+3, 69, 0, 127, -1);
+	note = cui_num_new(sheet, CUI_CHILD_X2+1, CUI_CHILD_Y, 3+3, 69, 0, 127, 0);
 	cui_wlb_name_new(sheet, "note ", "note", NULL);
 
 	bs_ch = cui_base_new(sheet, 0, CUI_CHILD_Y2+1, 0, 0);
@@ -106,7 +120,9 @@
 	note_i = cui_menu_int_new(bs_ch, CUI_CHILD_X2+1, CUI_CHILD_Y, 2+1, 0, 0, 0);
 	cui_wlb_name_new(bs_ch, "idx ", "tone_i", NULL);
 
-	bs_vco = cui_base_new(bs_ch, 0, CUI_CHILD_Y2, 0, 0);
+	/* vco */
+
+	bs_vco = cui_base_new(bs_ch, 0, CUI_CHILD_Y2+1, 0, 0);
 	bs_vco->name = "bs_vco";
 
 	cui_menu_popup_new(bs_vco, 0, 0, -1, wave_lst, 0);
@@ -115,13 +131,41 @@
 	cui_menu_popup_new(bs_vco, CUI_CHILD_X2+3, CUI_CHILD_Y, -1, wave_lst, 0);
 	cui_wlb_name_new(bs_vco, "wave2 ", "wave2", NULL);
 	
-	cui_num_new(bs_vco, CUI_CHILD_X, CUI_CHILD_Y2, 6+3, 0, -24000, 24000, -1);
+	cui_num_new(bs_vco, CUI_CHILD_X, CUI_CHILD_Y2, 6+3, 0, -24000, 24000, 0);
 	cui_wlb_name_new(bs_vco, "tune ", "tune", " cent");
 
-	cui_num_dbl_new(bs_vco, CUI_CHILD_X, CUI_CHILD_Y2, 4+3, 0, 0, 1, 0.01, -1);
+	cui_num_dbl_new(bs_vco, CUI_CHILD_X, CUI_CHILD_Y2, 4+3, 0, 0, 1, 0.01, 0);
 	cui_wlb_name_new(bs_vco, "mix ", "mix", NULL);
 
 	cui_wh_fit(bs_vco);
+
+	/* filt */
+
+	bs_filt = cui_base_new(bs_ch, 0, CUI_CHILD_Y2+1, 0, 0);
+	bs_filt->name = "bs_filt";
+
+	cui_menu_popup_new(bs_filt, 0, 0, -1, filt_lst, 0);
+	cui_wlb_name_new(bs_filt, "filter1 ", "filt1", NULL);
+
+	cui_num_dbl_new(bs_filt, CUI_CHILD_X, CUI_CHILD_Y2, 7+3, 3000, 20, 20000, 0.1, 0);
+	cui_wlb_name_new(bs_filt, "freq1 ", "freq1", " Hz");
+
+	cui_num_dbl_new(bs_filt, CUI_CHILD_X, CUI_CHILD_Y2, 5+3, 1, 0, 10, 0.01, 0);
+	cui_wlb_name_new(bs_filt, "reso1 (Q1) ", "Q1", NULL);
+	
+	cui_wh_fit(bs_filt);
+
+	cui_menu_popup_new(bs_filt, bs_filt->w+2, 0, -1, filt_lst, 0);
+	cui_wlb_name_new(bs_filt, "filter2 ", "filt2", NULL);
+
+	cui_num_dbl_new(bs_filt, CUI_CHILD_X, CUI_CHILD_Y2, 7+3, 3000, 20, 20000, 0.1, 0);
+	cui_wlb_name_new(bs_filt, "freq2 ", "freq2", " Hz");
+
+	cui_num_dbl_new(bs_filt, CUI_CHILD_X, CUI_CHILD_Y2, 5+3, 1, 0, 10, 0.01, 0);
+	cui_wlb_name_new(bs_filt, "reso2 (Q2) ", "Q2", NULL);
+
+	cui_wh_fit(bs_filt);
+
 	cui_hide(bs_ch);
 	cui_wh_fit(bs_ch);
 	cui_wh_fit(sheet);