diff --git a/scripts/shairport-sync b/scripts/shairport-sync
index c3241705..dd860b2a 100755
--- a/scripts/shairport-sync
+++ b/scripts/shairport-sync
@@ -58,9 +58,11 @@ do_start()
 # BTW2, you can use alsamixer to find device identifiers (e.g. hw:1) and mixer names (e.g. "Speaker"). No need to change ALSA's defaults.
 # BTW3, the argument after -a is simply the name the shairport service will be visible as.
 	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- -d || return 2
-#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- -d -a "Topping TP30 or Griffin iMic on Raspberry Pi" -- d hw:1 -t hardware -c "PCM" || return 2
-#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- -d -a "'3D Sound' USB Soundcard on Raspberry Pi" -- d hw:1 -t hardware -c "Speaker" || return 2
-#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- -d -a "IQaudIO Player on latest Raspian" -- -d hw:1 -t hardware -c "Playback Digital" || return 2
+#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- -d -a "Topping TP30 or Griffin iMic on Raspberry Pi" -- -d hw:1 -t hardware -c "PCM" || return 2
+#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- -d -a "'3D Sound' USB Soundcard on Raspberry Pi" -- -d hw:1 -t hardware -c "Speaker" || return 2
+# BTW, that "3D Sound" USB soundcard sometimes has the mixer name "Headphones" rather than "Speaker" -- use alsamixer to check.
+#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- -d -a "IQaudIO" -- -d hw:1 -t hardware -c "Playback Digital" || return 2
+# BTW, newer versions of IQaudIO have a different mixer name -- use alsamixer to check.
 	# Add code here, if necessary, that waits for the process to be ready
 	# to handle requests from services started subsequently which depend
 	# on this one.  As a last resort, sleep for some time.