Adds sound switcher for system tray.

install_ubuntu_quick.sh

@@ -8,7 +8,6 @@
 #-----------------------------------------------------------------------
 # Install Emacs 27.1.
 
-
 sudo add-apt-repository ppa:kelleyk/emacs -y
 sudo apt-get update -y
 
@@ -261,6 +260,14 @@ sudo apt install \
     fonts-open-sans \
     -y
 
+#-----------------------------------------------------------------------
+# Sound switcher on system tray.
+# https://www.omgubuntu.co.uk/2014/02/sound-switcher-app-ubuntu
+
+sudo add-apt-repository ppa:yktooo/ppa
+sudo apt-get update
+sudo apt-get install indicator-sound-switcher
+
 #-----------------------------------------------------------------------
 # WPS Office.
 # https://www.edivaldobrito.com.br/wps-office-no-linux-via-snap/