diff --git a/App/app.mlapp b/App/app.mlapp
index 143c11f..9473056 100644
Binary files a/App/app.mlapp and b/App/app.mlapp differ
diff --git a/src/MIDIDarell.m b/src/MIDIDarell.m
new file mode 100644
index 0000000..19491c4
--- /dev/null
+++ b/src/MIDIDarell.m
@@ -0,0 +1,92 @@
+function output = MIDIDarell(dur,Fs)
+%Darell Chua Yun Da
+%   Detailed explanation goes here
+
+    freq = [330 350 370 392 415 440 466 494 523 554];
+    charls = ["q" "w" "e" "r" "t" "y" "u" "i" "o" "p"];
+    bytedur = 0.5;
+    x =  0:1/Fs:bytedur;
+    yz0 = zeros([1,(length(x)-1)]); 
+    y = [yz0 
+        yz0 
+        yz0 
+        yz0 
+        yz0 
+        yz0 
+        yz0 
+        yz0 
+        yz0 
+        yz0];
+
+    for c = 1:length(freq)
+        for i=1:length(x)
+            y(c,i) = 0.5*sin(2*pi*freq(c)*x(i));
+        end
+    end
+    Len = dur*Fs;
+    output = zeros([1,Len]);
+
+    
+    
+    set(gcf,'CurrentCharacter', '@');
+    figure(1)
+    
+    tStart = tic;  
+    tEnd = toc(tStart);
+    figure(1)
+    
+    while(tEnd <= dur)
+        title("Midi Popup")
+        drawnow
+        char = get(gcf,'CurrentCharacter');
+        while (char == '@' && tEnd <= dur)
+            figure(1)
+            char = get(gcf,'CurrentCharacter');
+            tEnd = toc(tStart);
+            drawnow
+        end
+        
+        n = round((tEnd/dur)*Len);
+        
+        endt = tEnd + bytedur;
+        overt = tEnd + bytedur/3;
+        if overt> dur
+            endt = dur;
+        end
+        if endt > dur
+            endt = dur;
+        end
+        endn = round(endt*Fs);
+        
+        charno = 0;
+        for i=1:length(freq)
+            if char == charls(i)
+                charno = i;
+            end
+        end
+        if charno > 0
+            sound(y(charno,:),Fs); 
+            oldout = output(n:endn);
+            output(n:endn) = oldout + y(charno,1:(endn-n+1));
+            while(tEnd < overt)
+                tEnd = toc(tStart);
+                drawnow
+            end
+            figure(1)
+            plot(output);
+            title("Midi Popup")
+            drawnow
+            set(gcf,'CurrentCharacter', '@')
+        else
+            figure(1)
+            drawnow
+            set(gcf,'CurrentCharacter', '@')
+        end
+        tEnd = toc(tStart);
+    end
+    figure(1)
+    plot(output);
+    sound(output,Fs); 
+    drawnow();
+end
+