diff --git a/src/sound/i_music.cpp b/src/sound/i_music.cpp
index 47fdcc04a0..9c760cc25c 100644
--- a/src/sound/i_music.cpp
+++ b/src/sound/i_music.cpp
@@ -268,10 +268,6 @@ void MusInfo::MusicVolumeChanged()
 {
 }
 
-void MusInfo::TimidityVolumeChanged()
-{
-}
-
 void MusInfo::GMEDepthChanged(float val)
 {
 }
diff --git a/src/sound/i_musicinterns.h b/src/sound/i_musicinterns.h
index b3dadb8747..544bfd1887 100644
--- a/src/sound/i_musicinterns.h
+++ b/src/sound/i_musicinterns.h
@@ -75,7 +75,6 @@ public:
 	virtual void InitPlayback();
 	virtual bool Update();
 	virtual void PrecacheInstruments(const uint16_t *instruments, int count);
-	virtual void TimidityVolumeChanged();
 	virtual void FluidSettingInt(const char *setting, int value);
 	virtual void FluidSettingNum(const char *setting, double value);
 	virtual void FluidSettingStr(const char *setting, const char *value);
@@ -314,7 +313,6 @@ public:
 	~MIDIStreamer();
 
 	void MusicVolumeChanged() override;
-	void TimidityVolumeChanged() override;
 	void Play(bool looping, int subsong) override;
 	void Pause() override;
 	void Resume() override;
diff --git a/src/sound/mididevices/music_timiditypp_mididevice.cpp b/src/sound/mididevices/music_timiditypp_mididevice.cpp
index a75a4e0876..11cc389121 100644
--- a/src/sound/mididevices/music_timiditypp_mididevice.cpp
+++ b/src/sound/mididevices/music_timiditypp_mididevice.cpp
@@ -63,7 +63,6 @@ public:
 	void PrecacheInstruments(const uint16_t *instruments, int count);
 	//FString GetStats();
 	int GetDeviceType() const override { return MDEV_TIMIDITY; }
-	void TimidityVolumeChanged();
 	static void ClearInstruments()
 	{
 		if (instruments != nullptr) delete instruments;
@@ -82,9 +81,14 @@ protected:
 TimidityPlus::Instruments *TimidityPPMIDIDevice::instruments;
 
 // Config file to use
-CVAR(String, timidity_config, "timidity.cfg", CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
+CUSTOM_CVAR(String, timidity_config, "timidity.cfg", CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
+{
+	if (currSong != nullptr && currSong->GetDeviceType() == MDEV_TIMIDITY)
+	{
+		MIDIDeviceChanged(-1, true);
+	}
+}
 
-// added because Timidity's output is rather loud.
 
 CUSTOM_CVAR (Int, timidity_frequency, 44100, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 { // Clamp frequency to Timidity's limits
@@ -113,11 +117,11 @@ TimidityPPMIDIDevice::TimidityPPMIDIDevice(const char *args)
 	if (instruments == nullptr)
 	{
 		instruments = new TimidityPlus::Instruments;
-	}
-	if (!instruments->load(args))
-	{
-		delete instruments;
-		instruments = nullptr;
+		if (!instruments->load(args))
+		{
+			delete instruments;
+			instruments = nullptr;
+		}
 	}
 	if (instruments != nullptr)
 	{
@@ -157,7 +161,6 @@ int TimidityPPMIDIDevice::Open(MidiCallback callback, void *userdata)
 	}
 	// No instruments loaded means we cannot play...
 	if (instruments == nullptr) return 0;
-	TimidityVolumeChanged();
 	return ret;
 }
 
diff --git a/src/sound/musicformats/music_midistream.cpp b/src/sound/musicformats/music_midistream.cpp
index 45a25d9267..d90c88a87f 100644
--- a/src/sound/musicformats/music_midistream.cpp
+++ b/src/sound/musicformats/music_midistream.cpp
@@ -478,20 +478,6 @@ void MIDIStreamer::MusicVolumeChanged()
 	}
 }
 
-//==========================================================================
-//
-// MIDIStreamer :: TimidityVolumeChanged
-//
-//==========================================================================
-
-void MIDIStreamer::TimidityVolumeChanged()
-{
-	if (MIDI != NULL)
-	{
-		MIDI->TimidityVolumeChanged();
-	}
-}
-
 //==========================================================================
 //
 // MIDIStreamer :: FluidSettingInt
@@ -971,16 +957,6 @@ bool MIDIDevice::Update()
 	return true;
 }
 
-//==========================================================================
-//
-// MIDIDevice :: TimidityVolumeChanged
-//
-//==========================================================================
-
-void MIDIDevice::TimidityVolumeChanged()
-{
-}
-
 //==========================================================================
 //
 // MIDIDevice :: FluidSettingInt
diff --git a/src/sound/timiditypp/instrum.cpp b/src/sound/timiditypp/instrum.cpp
index cbda244ba1..5b51faea2e 100644
--- a/src/sound/timiditypp/instrum.cpp
+++ b/src/sound/timiditypp/instrum.cpp
@@ -620,22 +620,27 @@ Instrument *Instruments::load_gus_instrument(char *name, ToneBank *bank, int dr,
 			return ip;
 		}
 	/* Open patch file */
-	if (!(tf = open_file(name, sfreader))) {
+	tf = open_file(name, sfreader);
+	if (!tf) 
+	{
 		int name_len, ext_len;
 		static const char *patch_ext[] = { ".pat", 0 };
 
 		noluck = 1;
 		name_len = (int)strlen(name);
 		/* Try with various extensions */
-		for (i = 0; patch_ext[i]; i++) {
+		for (i = 0; patch_ext[i]; i++) 
+		{
 			ext_len = (int)strlen(patch_ext[i]);
-			if (name_len + ext_len < 1024) {
+			if (name_len + ext_len < 1024) 
+			{
 				if (name_len >= ext_len && strcmp(name + name_len - ext_len,
 					patch_ext[i]) == 0)
 					continue;	/* duplicated ext. */
 				strcpy((char *)tmp, name);
 				strcat((char *)tmp, patch_ext[i]);
-				if ((tf = open_file((char *)tmp, sfreader)))
+				tf = open_file((char *)tmp, sfreader);
+				if (tf)
 				{
 					noluck = 0;
 					break;
diff --git a/src/sound/timiditypp/sffile.cpp b/src/sound/timiditypp/sffile.cpp
index 26df7abca0..35899616b0 100644
--- a/src/sound/timiditypp/sffile.cpp
+++ b/src/sound/timiditypp/sffile.cpp
@@ -69,6 +69,7 @@ static int READCHUNK(SFChunk *vp, struct timidity_file *tf)
 	if (tf_read(vp, 8, 1, tf) != 1)
 		return -1;
 	vp->size = LE_LONG(vp->size);
+	Printf("%.4s %d, %d\n", vp->id, vp->size, tf_tell(tf));
 	return 1;
 }
 
@@ -177,8 +178,10 @@ int Instruments::load_soundfont(SFInfo *sf, struct timidity_file *fd)
 				break;
 		}
 		else {
-			ctl_cmsg(CMSG_WARNING, VERB_NORMAL,	"%s: *** illegal id in level 0: %4.4s %4d",	fd->filename.c_str(), chunk.id, chunk.size);
+			ctl_cmsg(CMSG_WARNING, VERB_NORMAL,	"%s: *** illegal id in level 0: %4.4s %4d",	fd->filename.c_str(), chunk.id, chunk.size);			
 			FSKIP(chunk.size, fd);
+			// Not aborting here will inevitably crash.
+			return -1;
 		}
 	}
 
@@ -332,6 +335,7 @@ int Instruments::process_info(int size, SFInfo *sf, struct timidity_file *fd)
 			break;
 
 		default:
+			FSKIP(chunk.size, fd);
 			break;
 		}
 		size -= chunk.size;
diff --git a/wadsrc/static/menudef.txt b/wadsrc/static/menudef.txt
index 6e02c1d5e7..663c20ec9a 100644
--- a/wadsrc/static/menudef.txt
+++ b/wadsrc/static/menudef.txt
@@ -1694,7 +1694,6 @@ OptionMenu AdvSoundOptions protected
 	SubMenu "$ADVSNDMNU_SELCONFIG",		"TimidityConfigMenu"
 	Option "$ADVSNDMNU_REVERB", 			"timidity_reverb", "OnOff"
 	Option "$ADVSNDMNU_CHORUS", 			"timidity_chorus", "OnOff"
-	Slider "$ADVSNDMNU_TIMIDITYVOLUME",		"timidity_mastervolume", 0, 4, 0.2, 1
 	StaticText " "
 	StaticText "$ADVSNDMNU_WILDMIDI",	1
 	TextField "$ADVSNDMNU_WILDMIDICONFIG", 	"wildmidi_config"