diff --git a/ostinato_and_interrupt_score.pdf b/ostinato_and_interrupt_score.pdf
index 5f85601..817a860 100644
Binary files a/ostinato_and_interrupt_score.pdf and b/ostinato_and_interrupt_score.pdf differ
diff --git a/supercollider/ostinato_and_interrupt_gui_generator_function.scd b/supercollider/ostinato_and_interrupt_gui_generator_function.scd
index c384e24..2a60bfc 100644
--- a/supercollider/ostinato_and_interrupt_gui_generator_function.scd
+++ b/supercollider/ostinato_and_interrupt_gui_generator_function.scd
@@ -18,14 +18,15 @@
 	masterVolGroups = [0.8, 0.8, 0.8, 0.8, 0.8];
 
 	clockStringFunc = {
-		arg secInt;
-		var min, sec;
-		sec = secInt;
+		arg div, metronome = true;
+		var min, sec, metUni;
+		sec = if(metronome, {(div / 5).trunc}, {div});
+		metUni = case {metronome == false} {""} {div % 20 < 2} {"|◘"} {div % 4 < 2} {"|●"} {true} {"| "};
 		min = (sec / 60).trunc.asString;
 		if(min.size == 1, {min = "0" ++ min}, {});
 		sec =  (sec % 60).trunc.asString;
 		if(sec.size == 1, {sec = "0" ++ sec}, {});
-		min ++ ":" ++ sec
+		min ++ ":" ++ sec ++ metUni;
 	};
 
 	~appStatusFunc = Task({
@@ -56,8 +57,7 @@
 			VLayout(
 				HLayout(
 					Slider(view).value_(0.8).action_({|v| ~play.set(\allMasterVol, v.value * 1.25)}),
-					masterIndicators[0],
-					masterIndicators[1]),
+					masterIndicators[0], masterIndicators[1]),
 				Button(view).states_([["mute", Color.black], ["mute", Color.black, Color.grey]]).action_(
 					{|v| ~play.set(\allMasterMute, (1 - v.value).abs)}),
 				StaticText(view).string_("          master          ").align_(\center),
@@ -78,24 +78,25 @@
 			Button(view).states_([["play", Color.black], ["stop", Color.black, Color.grey]]).action_(
 				{| pState |
 					pauseButton.value = 0;
-					if(pState.value == 0, {~play.set(\playRate, 0, \startTrig, 0); clock.string = startPosText.string},
+					if(pState.value == 0, {~play.set(\playRate, 0, \startTrig, 0);
+						clock.string = clockStringFunc.value((startPos * ~totalDur * 5).trunc)},
 						{~play.set(\startPos, startPos, \playRate, 1, \startTrig, 1)})}),
 			pauseButton = Button(view).states_([["pause", Color.black], ["pause", Color.black, Color.grey]]).action_(
 				{| pState |
 					if(pState.value == 1, {~play.set(\playRate, 0)},{~play.set(\playRate, 1)})}),
 			StaticText(view).string_("start time"),
-			[Slider(view, Rect(0, 0, 30, 20)).action_(
+			[Slider(view, Rect(0, 0, 30, 5)).action_(
 				{|pos|
 					var min, sec;
-					startPosText.string = clockStringFunc.value(pos.value * ~totalDur);
+					startPosText.string = clockStringFunc.value((pos.value * ~totalDur).trunc, false);
 					startPos = pos.value;
 			}), stretch: 1],
 			startPosText = StaticText(win).string_("00:00").font_(Font("Monaco", 15)),
 			nil);
 		view.layout_(HLayout(master,
-			[VLayout(generator,
-				clock = StaticText(win).string_("00:00").font_(Font("Monaco", 300));,
-				transport
+			[VLayout(generator, nil,
+				clock = StaticText(win).string_("00:00|◘").font_(Font("Monaco", 220)),
+				nil, transport
 	), alignment: \top])) };
 	faderViews = { |group|
 		var view, masterIndicators, trackIndicators, master, tracks;
diff --git a/supercollider/ostinato_and_interrupt_player_synthdef.scd b/supercollider/ostinato_and_interrupt_player_synthdef.scd
index 8a10307..14a7114 100644
--- a/supercollider/ostinato_and_interrupt_player_synthdef.scd
+++ b/supercollider/ostinato_and_interrupt_player_synthdef.scd
@@ -40,7 +40,7 @@ SynthDef(\play, {
 	allMaster = Mix.new([guitarOMaster, guitarIMaster, percussionMaster, ensembleMaster, accompMaster]) * allMasterVol * allMasterMute;
 	Out.ar(0, allMaster);
 
-	curDur = ((A2K.kr(phasor) / BufFrames.kr(buf)) * BufDur.kr(buf)).trunc;
+	curDur = ((A2K.kr(phasor) / BufFrames.kr(buf)) * BufDur.kr(buf) * 5).trunc;
 	SendTrig.kr(Changed.kr(curDur), 0, curDur);
 	imp = Impulse.kr(10);
 	delimp = Delay1.kr(imp);