diff --git a/KDE_Dialog_Appear.wav b/KDE_Dialog_Appear.wav
new file mode 100644
index 0000000..1f7e377
Binary files /dev/null and b/KDE_Dialog_Appear.wav differ
diff --git a/TimelineWindowUpdater.java b/TimelineWindowUpdater.java
index 84fec0d..24ea560 100755
--- a/TimelineWindowUpdater.java
+++ b/TimelineWindowUpdater.java
@@ -3,6 +3,12 @@ import java.util.List;
 import java.util.ArrayList;
 import java.io.IOException;
 import cafe.biskuteri.hinoki.Tree;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.UnsupportedAudioFileException;
+import javax.sound.sampled.LineUnavailableException;
+import java.net.URL;
 
 class
 TimelineWindowUpdater {
@@ -21,6 +27,9 @@ TimelineWindowUpdater {
     private StringBuilder
     event, data;
 
+	private Clip
+	notificationSound;
+
 //   -  -%-  -
 
     private Thread
@@ -74,6 +83,12 @@ TimelineWindowUpdater {
         for (TimelineWindow updatee: filter(type)) {
             updatee.showLatestPage();
         }
+
+		if (newNotif)
+		{
+			notificationSound.setFramePosition(0);
+			notificationSound.start();
+		}
     }
 
     private List<TimelineWindow>
@@ -117,7 +132,8 @@ TimelineWindowUpdater {
         {
             if (line.startsWith(":")) return;
 
-            if (line.isEmpty()) {
+            if (line.isEmpty())
+			{
                 handle(type, event.toString(), data.toString());
                 event.delete(0, event.length());
                 data.delete(0, event.length());
@@ -160,6 +176,31 @@ TimelineWindowUpdater {
         this.api = primaire.getMastodonApi();
 
         this.updatees = new ArrayList<>();
+
+		loadNotificationSound();
     }
 
+	void
+	loadNotificationSound()
+	{
+		URL url = getClass().getResource("KDE_Dialog_Appear.wav");
+		try {
+			Clip clip = AudioSystem.getClip();
+			clip.open(AudioSystem.getAudioInputStream(url));
+			notificationSound = clip;
+		}
+		catch (LineUnavailableException eLu) {
+			assert false;
+		}
+		catch (UnsupportedAudioFileException eUa) {
+			assert false;
+		}
+		catch (IOException eIo) {
+			assert false;
+		}
+		catch (IllegalArgumentException eIa) {
+			assert false;
+		}
+	}
+
 }