diff --git a/App/app.mlapp b/App/app.mlapp
index 4ad8776..9bc2cf5 100644
Binary files a/App/app.mlapp and b/App/app.mlapp differ
diff --git a/src/NotWorking/generate_arcoStrings.m b/src/Instruments/generate_arcoStrings.m
similarity index 100%
rename from src/NotWorking/generate_arcoStrings.m
rename to src/Instruments/generate_arcoStrings.m
diff --git a/src/NotWorking/generate_bassoon.m b/src/Instruments/generate_bassoon.m
similarity index 100%
rename from src/NotWorking/generate_bassoon.m
rename to src/Instruments/generate_bassoon.m
diff --git a/src/NotWorking/generate_clarinet.m b/src/Instruments/generate_clarinet.m
similarity index 100%
rename from src/NotWorking/generate_clarinet.m
rename to src/Instruments/generate_clarinet.m
diff --git a/src/NotWorking/generate_flute.m b/src/Instruments/generate_flute.m
similarity index 100%
rename from src/NotWorking/generate_flute.m
rename to src/Instruments/generate_flute.m
diff --git a/src/NotWorking/generate_horn.m b/src/Instruments/generate_horn.m
similarity index 100%
rename from src/NotWorking/generate_horn.m
rename to src/Instruments/generate_horn.m
diff --git a/src/NotWorking/generate_oboe.m b/src/Instruments/generate_oboe.m
similarity index 100%
rename from src/NotWorking/generate_oboe.m
rename to src/Instruments/generate_oboe.m
diff --git a/src/NotWorking/generate_organ.m b/src/Instruments/generate_organ.m
similarity index 100%
rename from src/NotWorking/generate_organ.m
rename to src/Instruments/generate_organ.m
diff --git a/src/NotWorking/generate_saxophone.m b/src/Instruments/generate_saxophone.m
similarity index 100%
rename from src/NotWorking/generate_saxophone.m
rename to src/Instruments/generate_saxophone.m
diff --git a/src/NotWorking/generate_shepardsCarillon.m b/src/Instruments/generate_shepardsCarillon.m
similarity index 100%
rename from src/NotWorking/generate_shepardsCarillon.m
rename to src/Instruments/generate_shepardsCarillon.m
diff --git a/src/NotWorking/generate_shepardsOrgan.m b/src/Instruments/generate_shepardsOrgan.m
similarity index 100%
rename from src/NotWorking/generate_shepardsOrgan.m
rename to src/Instruments/generate_shepardsOrgan.m
diff --git a/src/NotWorking/generate_shepardsStrings.m b/src/Instruments/generate_shepardsStrings.m
similarity index 100%
rename from src/NotWorking/generate_shepardsStrings.m
rename to src/Instruments/generate_shepardsStrings.m
diff --git a/src/NotWorking/generate_trumpet.m b/src/Instruments/generate_trumpet.m
similarity index 100%
rename from src/NotWorking/generate_trumpet.m
rename to src/Instruments/generate_trumpet.m
diff --git a/src/NotWorking/generate_tubularBells.m b/src/Instruments/generate_tubularBells.m
similarity index 100%
rename from src/NotWorking/generate_tubularBells.m
rename to src/Instruments/generate_tubularBells.m
diff --git a/src/Select/SoundGeneratorSelect.m b/src/Select/SoundGeneratorSelect.m
index b3355a8..35ebd64 100644
--- a/src/Select/SoundGeneratorSelect.m
+++ b/src/Select/SoundGeneratorSelect.m
@@ -28,6 +28,34 @@ function output = SoundGeneratorSelect(amplitude, frequency, phase, fs, duration
         output = generate_cosine(amplitude, frequency, phase, fs, duration, duty);
     elseif(number == "Heartbeat")
         output = generate_heartbeat(amplitude, frequency, phase, fs, duration, duty);
+
+    % instruments:
+    elseif(number == "ArcoStrings")
+        output = generate_arcoStrings(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Bassoon")
+        output = generate_bassoon(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Clarinet")
+        output = generate_clarinet(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Flute")
+        output = generate_flute(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Horn")
+        output = generate_horn(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Oboe")
+        output = generate_oboe(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Organ")
+        output = generate_organ(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Saxophone")
+        output = generate_saxophone(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "ShepardsCarillon")
+        output = generate_shepardsCarillon(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "ShepardsOrgan")
+        output = generate_shepardsOrgan(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "ShepardsStrings")
+        output = generate_shepardsStrings(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "Trumpet")
+        output = generate_trumpet(amplitude, frequency, phase, fs, duration, duty);
+    elseif(number == "TubularBells")
+        output = generate_tubularBells(amplitude, frequency, phase, fs, duration, duty);
     else
         output = zeros(1, fs * duration);
     end