diff --git a/APL2.1/TP11/Playlist/Playlist.java b/APL2.1/TP11/Playlist/Playlist.java
new file mode 100644
index 0000000..31ae505
--- /dev/null
+++ b/APL2.1/TP11/Playlist/Playlist.java
@@ -0,0 +1,44 @@
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+
+public class Playlist extends JPanel implements MouseListener {
+    private JLabel prevSelection;
+    private JLabel prevHover;
+
+    public void mouseClicked(MouseEvent evenement) {
+        JLabel raiser = evenement.getComponent();
+        raiser.setBackground(new Color(0, 150, 255));
+
+        if (prevSelection != null) {
+            prevSelection.setBackground(new Color(255, 255, 255));
+        }
+    }
+
+    public void mouseEntered(MouseEvent evenement) {
+        
+    }
+
+    public void mouseExited(MouseEvent evenement) {
+
+    }
+
+    public void mousePressed(MouseEvent evenement) {}
+    public void mouseReleased(MouseEvent evenement) {}
+
+    @Override
+    public void paintComponent(Graphics brush) {
+
+    }
+
+    public Playlist() {
+        super();
+    }
+
+    public void add(String title) {
+        JLabel l = new JLabel(title);
+        l.addMouseListener(this);
+        l.setOpaque(true);
+        this.add(l);
+    }
+}
\ No newline at end of file
diff --git a/APL2.1/TP11/Playlist/TestPlaylist.java b/APL2.1/TP11/Playlist/TestPlaylist.java
new file mode 100644
index 0000000..e69de29
diff --git a/APL2.1/TP11/Volume/TestVolume.class b/APL2.1/TP11/Volume/TestVolume.class
new file mode 100644
index 0000000..1d0f296
Binary files /dev/null and b/APL2.1/TP11/Volume/TestVolume.class differ
diff --git a/APL2.1/TP11/Volume/TestVolume.java b/APL2.1/TP11/Volume/TestVolume.java
new file mode 100644
index 0000000..0f34ace
--- /dev/null
+++ b/APL2.1/TP11/Volume/TestVolume.java
@@ -0,0 +1,17 @@
+import java.awt.*;
+import javax.swing.*;
+
+public class TestVolume {
+    public static void main(String[] args) {
+        JFrame f = new JFrame("Fond");
+        f.setSize(700, 200);
+        f.setLocation(100, 100);
+        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        
+        Volume v = new Volume();
+        v.addMouseWheelListener(v);
+
+        f.add(v);
+        f.setVisible(true);
+    }
+}
\ No newline at end of file
diff --git a/APL2.1/TP11/Volume/Volume.class b/APL2.1/TP11/Volume/Volume.class
new file mode 100644
index 0000000..904da5f
Binary files /dev/null and b/APL2.1/TP11/Volume/Volume.class differ
diff --git a/APL2.1/TP11/Volume/Volume.java b/APL2.1/TP11/Volume/Volume.java
new file mode 100644
index 0000000..af09c3a
--- /dev/null
+++ b/APL2.1/TP11/Volume/Volume.java
@@ -0,0 +1,41 @@
+import java.awt.*;
+import java.awt.event.*;
+
+import javax.swing.*;
+
+public class Volume extends JComponent implements MouseWheelListener {
+    private static final int margin = 10;
+    private static final int numCircles = 10;
+    private int currentLevel = 0;
+
+    public void mouseWheelMoved(MouseWheelEvent ev) {
+        currentLevel -= ev.getWheelRotation();
+        currentLevel = Math.max(0, Math.min(currentLevel, 11));
+        repaint();
+    }
+
+    @Override
+    protected void paintComponent(Graphics brush) {
+        Graphics newBrush = brush.create();
+        
+        if (this.isOpaque()) {
+            newBrush.setColor(this.getBackground());
+            newBrush.fillRect(0, 0, this.getWidth(), this.getHeight());
+        }
+
+        newBrush.setColor(new Color(50, 50, 50));
+        newBrush.fillRect(0, 0, getWidth(), getHeight());
+
+
+        for (int i = 0; i < numCircles; i++) {
+            if (currentLevel > i) newBrush.setColor(new Color(230, 170, 0));
+            else newBrush.setColor(new Color(200, 200, 200));
+
+            newBrush.fillOval(margin + (getWidth() - margin * 2) / numCircles * i, getHeight() / 2, getHeight() / 4, getHeight() / 4);
+        }
+    }
+
+    public Volume() {
+        super();
+    }
+}
\ No newline at end of file