Hopefully pertinent Core logs:
10/27 09:41:10 Trace: [Bathroom] [Inactive] [LOADING @ 0:00] Watcher of the Skies - Genesis
10/27 09:41:10 Trace: [musicpowerstate] music is playing, preventing idle sleep
10/27 09:41:10 Info: [Bathroom] [zoneplayer] Playing: /Volumes/bfd3/Masters/Genesis/Foxtrot/01 Watcher Of The Skies.m4a
10/27 09:41:10 Info: [Bathroom] [zoneplayer] Queueing: /Volumes/bfd3/Masters/Genesis/Foxtrot/02 Time Table.m4a
10/27 09:41:11 Info: [Bathroom] [zoneplayer] Open result (Queueing): Result[Status=Success]
10/27 09:41:11 Info: [Bathroom] [zoneplayer] Open Result (Playing):Result[Status=Success]
10/27 09:41:11 Info: [Bathroom] [zoneplayer] Starting playback
10/27 09:41:11 Trace: [prebuffer] ready 149940/441000 (34%) @ 0/444 sec
10/27 09:41:11 Trace: [airplay/client] Connecting to airplay server
10/27 09:41:11 Info: [zone Bathroom] OnPlayFeedback Playing
10/27 09:41:11 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:41:11 Trace: [airplay/client] Requesting OPTIONS
10/27 09:41:11 Info: [airplay/client] REQUESTING OPTIONS *
10/27 09:41:11 Trace: [airplay/client] Got good OPTIONS: ANNOUNCE, SETUP, RECORD, PAUSE, FLUSH, TEARDOWN, OPTIONS, GET_PARAMETER, SET_PARAMETER, POST, GET, PUT
10/27 09:41:11 Info: [airplay] AirPlay device connected: AirPlayDevice[DeviceId=D4A33D701D87@Bathroom._raop._tcp.local, Name=Bathroom.local, Model=AudioAccessory1,1, IPEndPoint=192.168.0.21:7000]
10/27 09:41:11 Trace: [airplay] connected
10/27 09:41:11 Trace: [airplay/client] Sending ANNOUNCE
10/27 09:41:11 Warn: [airplay/client] ANNOUNCE failed: 400 Bad Request
10/27 09:41:11 Info:
--[ SignalPath ]---------------------------------------------
SignalPath Quality = HighQuality
Elements:
Source Format=Alac 44100/16/2 BitRate=808 Quality=Lossless
Output OutputType=AirPlay Quality=HighQuality SubType= Model=AudioAccessory1,1
------------------------------------------------------------
10/27 09:41:18 Info: [stats] 5057mb Virtual, 549mb Physical, 221mb Managed, 79 Threads, FDs
10/27 09:41:19 Trace: [zone Bathroom] PlayPause
10/27 09:41:19 Trace: [zone Bathroom] Pause
10/27 09:41:19 Info: [zone Bathroom] Canceling Pending Sleep
10/27 09:41:19 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:41:19 Info: [zone Bathroom] OnPlayFeedback Paused
10/27 09:41:19 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PAUSED @ 0:00] Watcher of the Skies - Genesis
10/27 09:41:24 Trace: [zone Bathroom] [zone] no playback for 5s, suspending to release audio device
10/27 09:41:24 Trace: [zone Bathroom] Suspend
10/27 09:41:24 Trace: [zone Bathroom] Stop
10/27 09:41:24 Info: [zone Bathroom] OnPlayFeedback Stopped
10/27 09:41:24 Info: [zone Bathroom] Canceling Pending Sleep
10/27 09:41:24 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [STOPPED @ 0:00] Watcher of the Skies - Genesis
10/27 09:41:24 Info: [audio/env] [zoneplayer -> stream] All streams were disposed
10/27 09:41:24 Info: [audio/env] [zoneplayer] All streams were disposed
and then:
10/27 09:49:19 Trace: [zone Bathroom] PlayPause
10/27 09:49:19 Trace: [zone Bathroom] Selecting Source state=Stopped
10/27 09:49:19 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [LOADING @ 0:00] Watcher of the Skies - Genesis
10/27 09:49:19 Info: [Bathroom] [zoneplayer] Playing: /Volumes/bfd3/Masters/Genesis/Foxtrot/01 Watcher Of The Skies.m4a
10/27 09:49:19 Info: [Bathroom] [zoneplayer] Queueing: /Volumes/bfd3/Masters/Genesis/Foxtrot/02 Time Table.m4a
10/27 09:49:19 Info: [Bathroom] [zoneplayer] Open Result (Playing):Result[Status=Success]
10/27 09:49:19 Info: [Bathroom] [zoneplayer] Starting playback
10/27 09:49:19 Info: [Bathroom] [zoneplayer] Open result (Queueing): Result[Status=Success]
10/27 09:49:19 Info: [zone Bathroom] OnPlayFeedback Playing
10/27 09:49:19 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:49:19 Info: [airplay] AirPlay device disconnected: AirPlayDevice[DeviceId=D4A33D701D87@Bathroom._raop._tcp.local, Name=Bathroom.local, Model=AudioAccessory1,1, IPEndPoint=192.168.0.21:7000]
10/27 09:49:19 Trace: [zone] Bathroom received transport control from endpoint integration: suspend
10/27 09:49:19 Trace: [zone Bathroom] Bathroom received transport control from Bathroom: suspend
10/27 09:49:19 Trace: [zone Bathroom] Suspend
10/27 09:49:19 Info: [zone Bathroom] OnPlayFeedback Stopped
10/27 09:49:19 Info: [zone Bathroom] Canceling Pending Sleep
10/27 09:49:19 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [STOPPED @ 0:00] Watcher of the Skies - Genesis
10/27 09:50:21 Trace: [zone Bathroom] PlayPause
10/27 09:50:21 Trace: [zone Bathroom] Selecting Source state=Stopped
10/27 09:50:21 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [LOADING @ 0:00] Watcher of the Skies - Genesis
10/27 09:50:21 Info: [Bathroom] [zoneplayer] Playing: /Volumes/bfd3/Masters/Genesis/Foxtrot/01 Watcher Of The Skies.m4a
10/27 09:50:21 Info: [Bathroom] [zoneplayer] Queueing: /Volumes/bfd3/Masters/Genesis/Foxtrot/02 Time Table.m4a
10/27 09:50:22 Info: [Bathroom] [zoneplayer] Open result (Queueing): Result[Status=Success]
10/27 09:50:22 Info: [Bathroom] [zoneplayer] Open Result (Playing):Result[Status=Success]
10/27 09:50:22 Info: [Bathroom] [zoneplayer] Starting playback
10/27 09:50:22 Info: [zone Bathroom] OnPlayFeedback Playing
10/27 09:50:22 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:50:22 Info: [airplay] AirPlay device connected: AirPlayDevice[DeviceId=D4A33D701D87@Bathroom._raop._tcp.local, Name=Bathroom.local, Model=AudioAccessory1,1, IPEndPoint=192.168.0.21:7000]
10/27 09:50:30 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:50:36 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:50:44 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:50:49 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:51:06 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:51:36 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:51:45 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:52:06 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:52:17 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:52:24 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
10/27 09:52:36 Trace: [Bathroom] [HighQuality, 16/44 ALAC => 16/44] [PLAYING @ 0:00] Watcher of the Skies - Genesis
But still no sound