diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0d4b27f06..8b30f7198 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -912,7 +912,7 @@ set( FASTMATH_SOURCES
 	sound/music_stream.cpp
 	sound/oalsound.cpp
 	sound/sndfile_decoder.cpp
-	sound/mididevices/music_midi_timidity.cpp
+	sound/mididevices/music_timiditypp_mididevice.cpp
 	gl/data/gl_matrix.cpp
 	gl/dynlights/a_dynlight.cpp
 	gl/utility/gl_clock.cpp
diff --git a/src/sound/mididevices/music_midi_timidity.cpp b/src/sound/mididevices/music_timiditypp_mididevice.cpp
similarity index 91%
rename from src/sound/mididevices/music_midi_timidity.cpp
rename to src/sound/mididevices/music_timiditypp_mididevice.cpp
index a45a1f501..e2166c0a1 100644
--- a/src/sound/mididevices/music_midi_timidity.cpp
+++ b/src/sound/mididevices/music_timiditypp_mididevice.cpp
@@ -1,3 +1,37 @@
+/*
+** music_timiditypp_mididevice.cpp
+** Provides access to timidity.exe
+**
+**---------------------------------------------------------------------------
+** Copyright 2001-2017 Randy Heit
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions
+** are met:
+**
+** 1. Redistributions of source code must retain the above copyright
+**    notice, this list of conditions and the following disclaimer.
+** 2. Redistributions in binary form must reproduce the above copyright
+**    notice, this list of conditions and the following disclaimer in the
+**    documentation and/or other materials provided with the distribution.
+** 3. The name of the author may not be used to endorse or promote products
+**    derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**---------------------------------------------------------------------------
+**
+*/
+
 #include "i_midi_win32.h"