diff --git a/fnotify.pl b/fnotify.pl
index 3d19920..7438dfb 100644
--- a/fnotify.pl
+++ b/fnotify.pl
@@ -1,28 +1,62 @@
 use strict;
 use Irssi;
 use vars qw($VERSION %IRSSI);
+use FindBin;
+use POSIX;
 
-$VERSION = "3.1-daemonise";
+$VERSION = "4.0";
 %IRSSI = (
   authors     => 'Ritchie Cunningham',
   contact     => 'ritchie@ritchiecunningham.co.uk',
   name        => 'fnotify',
-  description => 'Sends notify-send notifications for private messages and highlights. Optionally uses festival for voice.',
+  description => 'Sends desktop and audio notifications for private messages and highlights.',
   license     => 'Public Domain',
 );
 
 # --- Global variables to hold raw message data between signals. ---
 my ($last_public_msg, $last_public_nick, $last_public_target);
 
-
 # --- Configuration. ---
 my $festival_voice = '(voice_us1_mbrola)';
 
 # --- Core Functions. ---
 sub notify {
   my ($title, $message) = @_;
+
+  # --- Visual desktop notification. ---
   system("notify-send", "-i", "irssi", $title, $message);
 
+  # --- Play a notification sound file. ---
+  if(Irssi::settings_get_bool('fnotify_sound_enabled')) {
+    my $sound_player = Irssi::settings_get_str('fnotify_sound_player');
+    my $sound_file   = Irssi::settings_get_str('fnotify_sound_file');
+
+    if($sound_player && $sound_file) {
+      # If the path isn't absolute, prepend the script's directory.
+      # Note: For best results, set the full absolute path in with /set command.
+      if($sound_file !~ m#^/#) {
+        $sound_file = "$FindBin::Bin/$sound_file";
+      }
+
+      # Use a non-blocking fork to play sound without freezing Irssi.
+      my $pid = fork();
+      if(!defined $pid) {
+        Irssi::print("fnotify: Could not fork() to play sound: $!", MSGLEVEL_CLIENTERROR);
+        return;
+      }
+
+      if($pid == 0) {
+        # Child process. Detach and execute the sound player.
+        close STDIN; close STDOUT; close STDERR;
+        POSIX::setsid();
+        exec($sound_player, $sound_file);
+        exit(127); # Kill child if exec fails for any reason.
+      }
+      # Aaaand back with the parent.
+    }
+  }
+
+  # --- TTS using festival. ---
   if(Irssi::settings_get_bool('festival_enabled')) {
     my $text_to_speak = "$title, $message";
 
@@ -49,8 +83,6 @@ sub notify {
 }
 
 # --- Signal Handlers. ---
-
-# Private messages are simple and clean. No theme conflicts.
 sub private_message_handler {
   my ($server, $msg, $nick, $address) = @_;
   return if($nick =~ /^(NickServ|ChanServ|MemoServ)$/i);
@@ -67,23 +99,19 @@ sub public_message_handler {
 
 sub print_text_handler {
   my ($dest, $text, $stripped) = @_;
-
-  # Check if the level is a highlight and the target matches the one we just saved.
-  # The target check prevents us from misfiring on other window text.
   if(($dest->{level} & Irssi::MSGLEVEL_HILIGHT) && ($dest->{target} eq $last_public_target)) {
-    # Make sure the data from the first signal is actually there.
     return unless defined $last_public_nick;
-
-    # Use the CLEAN data we saved to build the notification!
     notify("Mentioned by $last_public_nick in $last_public_target", $last_public_msg);
-
-    # Clear the variables so we don't accidentally re-use them.
     undef $last_public_nick;
   }
 }
 
 # --- Settings and Signal Registration. ---
 Irssi::settings_add_bool('lookandfeel', 'festival_enabled', 0);
+Irssi::settings_add_bool('lookandfeel', 'fnotify_sound_enabled', 1);
+Irssi::settings_add_str('lookandfeel', 'fnotify_sound_player', 'mpg123');
+Irssi::settings_add_str('lookandfeel', 'fnotify_sound_file', 'msg_notification.mp3');
+
 
 # Register all three handlers.
 Irssi::signal_add('message private', 'private_message_handler');
diff --git a/msg_notification.mp3 b/msg_notification.mp3
new file mode 100644
index 0000000..5cdb693
Binary files /dev/null and b/msg_notification.mp3 differ