diff --git a/libraries/zmusic/CMakeLists.txt b/libraries/zmusic/CMakeLists.txt
index 4e75ac256..aaa7db274 100644
--- a/libraries/zmusic/CMakeLists.txt
+++ b/libraries/zmusic/CMakeLists.txt
@@ -49,6 +49,7 @@ file( GLOB HEADER_FILES
 	zmusic/*.h
 	mididevices/*.h
 	midisources/*.h
+	musicformats/*.h
 	decoder/*.h
 	streamsources/*.h
 	thirdparty/*.h
@@ -76,6 +77,8 @@ add_library( zmusic STATIC
 	streamsources/music_libsndfile.cpp
 	streamsources/music_opl.cpp
 	streamsources/music_xa.cpp
+	musicformats/music_stream.cpp
+	musicformats/music_midi.cpp
 	decoder/sounddecoder.cpp
 	decoder/sndfile_decoder.cpp
 	decoder/mpg123_decoder.cpp
@@ -87,6 +90,7 @@ target_link_libraries( zmusic )
 
 source_group("MIDI Devices" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/mididevices/.+")
 source_group("MIDI Sources" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/midisources/.+")
+source_group("Music Formats" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/musicformats/.+")
 source_group("Public Interface" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/zmusic/.+")
 source_group("Sound Decoding" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/decoder/.+")
 source_group("Stream Sources" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/streamsources/.+")
diff --git a/libraries/zmusic/mididevices/mididevice.h b/libraries/zmusic/mididevices/mididevice.h
index 5cda68017..80dff086e 100644
--- a/libraries/zmusic/mididevices/mididevice.h
+++ b/libraries/zmusic/mididevices/mididevice.h
@@ -4,8 +4,6 @@
 #include "zmusic/midiconfig.h"
 #include "zmusic/mididefs.h"
 
-#include "mididevices/mididevice.h"
-
 void TimidityPP_Shutdown();
 typedef void(*MidiCallback)(void *);
 
diff --git a/src/sound/musicformats/music_midistream.cpp b/libraries/zmusic/musicformats/music_midi.cpp
similarity index 98%
rename from src/sound/musicformats/music_midistream.cpp
rename to libraries/zmusic/musicformats/music_midi.cpp
index d22a397b7..909281f99 100644
--- a/src/sound/musicformats/music_midistream.cpp
+++ b/libraries/zmusic/musicformats/music_midi.cpp
@@ -34,7 +34,7 @@
 
 // HEADER FILES ------------------------------------------------------------
 
-
+#include <string>
 #include "zmusic/musinfo.h"
 #include "mididevices/mididevice.h"
 #include "midisources/midisource.h"
@@ -125,7 +125,7 @@ protected:
 	EMidiDevice DeviceType;
 	bool CallbackIsThreaded;
 	int LoopLimit;
-	FString Args;
+	std::string Args;
 	std::unique_ptr<MIDISource> source;
 };
 
@@ -255,15 +255,15 @@ MIDIDevice *MIDIStreamer::CreateMIDIDevice(EMidiDevice devtype, int samplerate)
 			switch (devtype)
 			{
 			case MDEV_GUS:
-				dev = CreateTimidityMIDIDevice(Args, samplerate);
+				dev = CreateTimidityMIDIDevice(Args.c_str(), samplerate);
 				break;
 
 			case MDEV_ADL:
-				dev = CreateADLMIDIDevice(Args);
+				dev = CreateADLMIDIDevice(Args.c_str());
 				break;
 
 			case MDEV_OPN:
-				dev = CreateOPNMIDIDevice(Args);
+				dev = CreateOPNMIDIDevice(Args.c_str());
 				break;
 
 			case MDEV_MMAPI:
@@ -275,19 +275,19 @@ MIDIDevice *MIDIStreamer::CreateMIDIDevice(EMidiDevice devtype, int samplerate)
 				// Intentional fall-through for non-Windows systems.
 
 			case MDEV_FLUIDSYNTH:
-				dev = CreateFluidSynthMIDIDevice(samplerate, Args);
+				dev = CreateFluidSynthMIDIDevice(samplerate, Args.c_str());
 				break;
 
 			case MDEV_OPL:
-				dev = CreateOplMIDIDevice(Args);
+				dev = CreateOplMIDIDevice(Args.c_str());
 				break;
 
 			case MDEV_TIMIDITY:
-				dev = CreateTimidityPPMIDIDevice(Args, samplerate);
+				dev = CreateTimidityPPMIDIDevice(Args.c_str(), samplerate);
 				break;
 
 			case MDEV_WILDMIDI:
-				dev = CreateWildMIDIDevice(Args, samplerate);
+				dev = CreateWildMIDIDevice(Args.c_str(), samplerate);
 				break;
 
 			default:
@@ -783,8 +783,7 @@ int MIDIStreamer::FillBuffer(int buffer_num, int max_events, uint32_t max_time)
 
 	int i;
 	uint32_t *events = Events[buffer_num], *max_event_p;
-	uint32_t tot_time = 0;
-	uint32_t time = 0;
+
 
 	// The final event is for a NOP to hold the delay from the last event.
 	max_event_p = events + (max_events - 1) * 3;
@@ -999,4 +998,4 @@ void MIDIDumpWave(MIDISource* source, EMidiDevice devtype, const char *devarg, c
 	MIDIStreamer me(devtype, devarg);
 	me.SetMIDISource(source);
 	me.DumpWave(outname, subsong, samplerate);
-}
\ No newline at end of file
+}
diff --git a/src/sound/musicformats/music_stream.cpp b/libraries/zmusic/musicformats/music_stream.cpp
similarity index 100%
rename from src/sound/musicformats/music_stream.cpp
rename to libraries/zmusic/musicformats/music_stream.cpp
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 62379c016..a4b148eb4 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1161,8 +1161,6 @@ set (PCH_SOURCES
 	sound/backend/i_sound.cpp
 	sound/music/music_config.cpp
 	sound/musicformats/music_cd.cpp
-	sound/musicformats/music_midistream.cpp
-	sound/musicformats/music_stream.cpp
 	rendering/swrenderer/textures/r_swtexture.cpp
 	rendering/swrenderer/textures/warptexture.cpp
 	rendering/swrenderer/textures/swcanvastexture.cpp