diff --git a/dlls/winmm/winemm16.h b/dlls/winmm/winemm16.h
new file mode 100644
index 0000000..3bb1780
--- /dev/null
+++ b/dlls/winmm/winemm16.h
@@ -0,0 +1,59 @@
+/* -*- tab-width: 8; c-basic-offset: 4 -*- */
+
+/*****************************************************************************
+ * Copyright 1998, Luiz Otavio L. Zorzella
+ *           1999, Eric Pouech
+ *
+ * Purpose:   multimedia declarations (internal to WINMM & MMSYSTEM DLLs)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *****************************************************************************
+ */
+#include "winemm.h"
+#include "wine/mmsystem16.h"
+#include "wownt32.h"
+
+/* mmsystem (16 bit files) only functions */
+void            MMDRV_Init16(void);
+void 		MMSYSTEM_MMTIME16to32(LPMMTIME mmt32, const MMTIME16* mmt16);
+void 		MMSYSTEM_MMTIME32to16(LPMMTIME16 mmt16, const MMTIME* mmt32);
+
+typedef LONG			(*MCIPROC16)(DWORD, HDRVR16, WORD, DWORD, DWORD);
+
+/* HANDLE16 -> HANDLE conversions */
+#define HDRVR_32(h16)		((HDRVR)(ULONG_PTR)(h16))
+#define HMIDI_32(h16)		((HMIDI)(ULONG_PTR)(h16))
+#define HMIDIIN_32(h16)		((HMIDIIN)(ULONG_PTR)(h16))
+#define HMIDIOUT_32(h16)	((HMIDIOUT)(ULONG_PTR)(h16))
+#define HMIDISTRM_32(h16)	((HMIDISTRM)(ULONG_PTR)(h16))
+#define HMIXER_32(h16)		((HMIXER)(ULONG_PTR)(h16))
+#define HMIXEROBJ_32(h16)	((HMIXEROBJ)(ULONG_PTR)(h16))
+#define HMMIO_32(h16)		((HMMIO)(ULONG_PTR)(h16))
+#define HWAVE_32(h16)		((HWAVE)(ULONG_PTR)(h16))
+#define HWAVEIN_32(h16)		((HWAVEIN)(ULONG_PTR)(h16))
+#define HWAVEOUT_32(h16)	((HWAVEOUT)(ULONG_PTR)(h16))
+
+/* HANDLE -> HANDLE16 conversions */
+#define HDRVR_16(h32)		(LOWORD(h32))
+#define HMIDI_16(h32)		(LOWORD(h32))
+#define HMIDIIN_16(h32)		(LOWORD(h32))
+#define HMIDIOUT_16(h32)	(LOWORD(h32))
+#define HMIDISTRM_16(h32)	(LOWORD(h32))
+#define HMIXER_16(h32)		(LOWORD(h32))
+#define HMIXEROBJ_16(h32)	(LOWORD(h32))
+#define HMMIO_16(h32)		(LOWORD(h32))
+#define HWAVE_16(h32)		(LOWORD(h32))
+#define HWAVEIN_16(h32)		(LOWORD(h32))
+#define HWAVEOUT_16(h32)	(LOWORD(h32))