diff --git a/src/music_gui.c b/src/music_gui.c
deleted file mode 100644
--- a/src/music_gui.c
+++ /dev/null
@@ -1,506 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "table/strings.h"
-#include "table/sprites.h"
-#include "functions.h"
-#include "window.h"
-#include "gfx.h"
-#include "sound.h"
-#include "hal.h"
-#include "macros.h"
-#include "variables.h"
-#include "music.h"
-
-static byte _music_wnd_cursong;
-static bool _song_is_active;
-static byte _cur_playlist[NUM_SONGS_PLAYLIST];
-
-
-
-static byte _playlist_all[] = {
-	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0
-};
-
-static byte _playlist_old_style[] = {
-	1, 8, 2, 9, 14, 15, 19, 13, 0
-};
-
-static byte _playlist_new_style[] = {
-	6, 11, 10, 17, 21, 18, 5, 0
-};
-
-static byte _playlist_ezy_street[] = {
-	12, 7, 16, 3, 20, 4, 0
-};
-
-static byte * const _playlists[] = {
-	_playlist_all,
-	_playlist_old_style,
-	_playlist_new_style,
-	_playlist_ezy_street,
-	msf.custom_1,
-	msf.custom_2,
-};
-
-static void SkipToPrevSong(void)
-{
-	byte *b = _cur_playlist;
-	byte *p = b;
-	byte t;
-
-	if (b[0] == 0) return; // empty playlist
-
-	do p++; while (p[0] != 0); // find the end
-
-	t = *--p; // and copy the bytes
-	while (p != b) {
-		p--;
-		p[1] = p[0];
-	}
-	*b = t;
-
-	_song_is_active = false;
-}
-
-static void SkipToNextSong(void)
-{
-	byte* b = _cur_playlist;
-	byte t;
-
-	t = b[0];
-	if (t != 0) {
-		while (b[1] != 0) {
-			b[0] = b[1];
-			b++;
-		}
-		b[0] = t;
-	}
-
-	_song_is_active = false;
-}
-
-static void MusicVolumeChanged(byte new_vol)
-{
-	_music_driver->set_volume(new_vol);
-}
-
-static void DoPlaySong(void)
-{
-	char filename[256];
-	snprintf(filename, sizeof(filename), "%s%s",
-		_paths.gm_dir, origin_songs_specs[_music_wnd_cursong - 1].filename);
-	_music_driver->play_song(filename);
-}
-
-static void DoStopMusic(void)
-{
-	_music_driver->stop_song();
-}
-
-static void SelectSongToPlay(void)
-{
-	uint i = 0;
-	uint j = 0;
-	char filename[256];
-
-	memset(_cur_playlist, 0, sizeof(_cur_playlist));
-	do {
-		if (_playlists[msf.playlist][i] != 0) {  // Don't evaluate playlist terminator
-			snprintf(filename, sizeof(filename),  "%s%s",
-				_paths.gm_dir, origin_songs_specs[(_playlists[msf.playlist][i]) - 1].filename);
-
-			/* we are now checking for the existence of that file prior
-			 * to add it to the list of available songs */
-			if (FileExists(filename)) {
-				_cur_playlist[j] = _playlists[msf.playlist][i];
-				j++;
-			}
-		}
-	} while (_playlists[msf.playlist][i++] != 0 && i < lengthof(_cur_playlist) - 1);
-
-	if (msf.shuffle) {
-		i = 500;
-		do {
-			uint32 r = InteractiveRandom();
-			byte *a = &_cur_playlist[GB(r, 0, 5)];
-			byte *b = &_cur_playlist[GB(r, 8, 5)];
-
-			if (*a != 0 && *b != 0) {
-				byte t = *a;
-				*a = *b;
-				*b = t;
-			}
-		} while (--i);
-	}
-}
-
-static void StopMusic(void)
-{
-	_music_wnd_cursong = 0;
-	DoStopMusic();
-	_song_is_active = false;
-	InvalidateWindowWidget(WC_MUSIC_WINDOW, 0, 9);
-}
-
-static void PlayPlaylistSong(void)
-{
-	if (_cur_playlist[0] == 0) {
-		SelectSongToPlay();
-		/* if there is not songs in the playlist, it may indicate
-		 * no file on the gm folder, or even no gm folder.
-		 * Stop the playback, then */
-		if (_cur_playlist[0] == 0) {
-			_song_is_active = false;
-			_music_wnd_cursong = 0;
-			msf.playing = false;
-			return;
-		}
-	}
-	_music_wnd_cursong = _cur_playlist[0];
-	DoPlaySong();
-	_song_is_active = true;
-
-	InvalidateWindowWidget(WC_MUSIC_WINDOW, 0, 9);
-}
-
-void ResetMusic(void)
-{
-	_music_wnd_cursong = 1;
-	DoPlaySong();
-}
-
-void MusicLoop(void)
-{
-	if (!msf.playing && _song_is_active) {
-		StopMusic();
-	} else if (msf.playing && !_song_is_active) {
-		PlayPlaylistSong();
-	}
-
-	if (!_song_is_active) return;
-
-	if (!_music_driver->is_song_playing()) {
-		if (_game_mode != GM_MENU) {
-			StopMusic();
-			SkipToNextSong();
-			PlayPlaylistSong();
-		} else {
-			ResetMusic();
-		}
-	}
-}
-
-static void MusicTrackSelectionWndProc(Window *w, WindowEvent *e)
-{
-	switch (e->event) {
-	case WE_PAINT: {
-		const byte* p;
-		uint i;
-		int y;
-
-		SetWindowWidgetDisabledState(w, 11, msf.playlist <= 3);
-		LowerWindowWidget(w, 3);
-		LowerWindowWidget(w, 4);
-		DrawWindowWidgets(w);
-
-		GfxFillRect(3, 23, 3+177,23+191,0);
-		GfxFillRect(251, 23, 251+177,23+191,0);
-
-		DrawStringCentered(92, 15, STR_01EE_TRACK_INDEX, 0);
-
-		SetDParam(0, STR_01D5_ALL + msf.playlist);
-		DrawStringCentered(340, 15, STR_01EF_PROGRAM, 0);
-
-		for (i = 1; i <= NUM_SONGS_AVAILABLE; i++) {
-			SetDParam(0, i);
-			SetDParam(2, i);
-			SetDParam(1, SPECSTR_SONGNAME);
-			DrawString(4, 23+(i-1)*6, (i < 10) ? STR_01EC_0 : STR_01ED, 0);
-		}
-
-		for (i = 0; i != 6; i++) {
-			DrawStringCentered(216, 45 + i * 8, STR_01D5_ALL + i, (i == msf.playlist) ? 0xC : 0x10);
-		}
-
-		DrawStringCentered(216, 45+8*6+16, STR_01F0_CLEAR, 0);
-#if 0
-		DrawStringCentered(216, 45 + 8 * 6 + 16 * 2, STR_01F1_SAVE, 0);
-#endif
-
-		y = 23;
-		for (p = _playlists[msf.playlist], i = 0; (i = *p) != 0; p++) {
-			SetDParam(0, i);
-			SetDParam(1, SPECSTR_SONGNAME);
-			SetDParam(2, i);
-			DrawString(252, y, (i < 10) ? STR_01EC_0 : STR_01ED, 0);
-			y += 6;
-		}
-		break;
-	}
-
-	case WE_CLICK:
-		switch (e->we.click.widget) {
-		case 3: { // add to playlist
-			int y = (e->we.click.pt.y - 23) / 6;
-			uint i;
-			byte *p;
-
-			if (msf.playlist < 4) return;
-			if (!IS_INT_INSIDE(y, 0, NUM_SONGS_AVAILABLE)) return;
-
-			p = _playlists[msf.playlist];
-			for (i = 0; i != NUM_SONGS_PLAYLIST - 1; i++) {
-				if (p[i] == 0) {
-					p[i] = y + 1;
-					p[i + 1] = 0;
-					SetWindowDirty(w);
-					SelectSongToPlay();
-					break;
-				}
-			}
-		} break;
-
-		case 4: { // remove from playlist
-			int y = (e->we.click.pt.y - 23) / 6;
-			uint i;
-			byte *p;
-
-			if (msf.playlist < 4) return;
-			if (!IS_INT_INSIDE(y, 0, NUM_SONGS_AVAILABLE)) return;
-
-			p = _playlists[msf.playlist];
-			for (i = y; i != NUM_SONGS_PLAYLIST - 1; i++) {
-				p[i] = p[i + 1];
-				}
-
-			SetWindowDirty(w);
-			SelectSongToPlay();
-		} break;
-
-		case 11: // clear
-			_playlists[msf.playlist][0] = 0;
-			SetWindowDirty(w);
-			StopMusic();
-			SelectSongToPlay();
-			break;
-
-#if 0
-		case 12: // save
-			ShowInfo("MusicTrackSelectionWndProc:save not implemented");
-			break;
-#endif
-
-		case 5: case 6: case 7: case 8: case 9: case 10: /* set playlist */
-			msf.playlist = e->we.click.widget - 5;
-			SetWindowDirty(w);
-			InvalidateWindow(WC_MUSIC_WINDOW, 0);
-			StopMusic();
-			SelectSongToPlay();
-			break;
-		}
-		break;
-	}
-}
-
-static const Widget _music_track_selection_widgets[] = {
-{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                         STR_018B_CLOSE_WINDOW},
-{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   431,     0,    13, STR_01EB_MUSIC_PROGRAM_SELECTION, STR_018C_WINDOW_TITLE_DRAG_THIS},
-{      WWT_PANEL,   RESIZE_NONE,    14,     0,   431,    14,   217, 0x0,                              STR_NULL},
-{      WWT_PANEL,   RESIZE_NONE,    14,     2,   181,    22,   215, 0x0,                              STR_01FA_CLICK_ON_MUSIC_TRACK_TO},
-{      WWT_PANEL,   RESIZE_NONE,    14,   250,   429,    22,   215, 0x0,                              STR_CLICK_ON_TRACK_TO_REMOVE},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,    44,    51, 0x0,                              STR_01F3_SELECT_ALL_TRACKS_PROGRAM},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,    52,    59, 0x0,                              STR_01F4_SELECT_OLD_STYLE_MUSIC},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,    60,    67, 0x0,                              STR_01F5_SELECT_NEW_STYLE_MUSIC},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,    68,    75, 0x0,                              STR_0330_SELECT_EZY_STREET_STYLE},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,    76,    83, 0x0,                              STR_01F6_SELECT_CUSTOM_1_USER_DEFINED},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,    84,    91, 0x0,                              STR_01F7_SELECT_CUSTOM_2_USER_DEFINED},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,   108,   115, 0x0,                              STR_01F8_CLEAR_CURRENT_PROGRAM_CUSTOM1},
-#if 0
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   186,   245,   124,   131, 0x0,                              STR_01F9_SAVE_MUSIC_SETTINGS},
-#endif
-{   WIDGETS_END},
-};
-
-static const WindowDesc _music_track_selection_desc = {
-	104, 131, 432, 218,
-	WC_MUSIC_TRACK_SELECTION,0,
-	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
-	_music_track_selection_widgets,
-	MusicTrackSelectionWndProc
-};
-
-static void ShowMusicTrackSelection(void)
-{
-	AllocateWindowDescFront(&_music_track_selection_desc, 0);
-}
-
-static void MusicWindowWndProc(Window *w, WindowEvent *e)
-{
-	switch (e->event) {
-	case WE_PAINT: {
-		uint i;
-		StringID str;
-
-		RaiseWindowWidget(w, 7);
-		RaiseWindowWidget(w, 9);
-		DrawWindowWidgets(w);
-
-		GfxFillRect(187, 16, 200, 33, 0);
-
-		for (i = 0; i != 8; i++) {
-			int color = 0xD0;
-			if (i > 4) {
-				color = 0xBF;
-				if (i > 6) {
-					color = 0xB8;
-				}
-			}
-			GfxFillRect(187, NUM_SONGS_PLAYLIST - i * 2, 200, NUM_SONGS_PLAYLIST - i * 2, color);
-		}
-
-		GfxFillRect(60, 46, 239, 52, 0);
-
-		if (_song_is_active == 0 || _music_wnd_cursong == 0) {
-			str = STR_01E3;
-		} else {
-			SetDParam(0, _music_wnd_cursong);
-			str = (_music_wnd_cursong < 10) ? STR_01E4_0 : STR_01E5;
-		}
-		DrawString(62, 46, str, 0);
-
-		str = STR_01E6;
-		if (_song_is_active != 0 && _music_wnd_cursong != 0) {
-			str = STR_01E7;
-			SetDParam(0, SPECSTR_SONGNAME);
-			SetDParam(1, _music_wnd_cursong);
-		}
-		DrawStringCentered(155, 46, str, 0);
-
-
-		DrawString(60, 38, STR_01E8_TRACK_XTITLE, 0);
-
-		for (i = 0; i != 6; i++) {
-			DrawStringCentered(25 + i * 50, 59, STR_01D5_ALL + i, msf.playlist == i ? 0xC : 0x10);
-		}
-
-		DrawStringCentered(31, 43, STR_01E9_SHUFFLE, (msf.shuffle ? 0xC : 0x10));
-		DrawStringCentered(269, 43, STR_01EA_PROGRAM, 0);
-		DrawStringCentered(141, 15, STR_01DB_MUSIC_VOLUME, 0);
-		DrawStringCentered(141, 29, STR_01DD_MIN_MAX, 0);
-		DrawStringCentered(247, 15, STR_01DC_EFFECTS_VOLUME, 0);
-		DrawStringCentered(247, 29, STR_01DD_MIN_MAX, 0);
-
-		DrawFrameRect(108, 23, 174, 26, 14, FR_LOWERED);
-		DrawFrameRect(214, 23, 280, 26, 14, FR_LOWERED);
-
-		DrawFrameRect(
-			108 + msf.music_vol / 2, 22, 111 + msf.music_vol / 2, 28, 14, 0
-		);
-
-		DrawFrameRect(
-			214 + msf.effect_vol / 2, 22, 217 + msf.effect_vol / 2, 28, 14, 0
-		);
-	} break;
-
-	case WE_CLICK:
-		switch (e->we.click.widget) {
-		case 2: // skip to prev
-			if (!_song_is_active)
-				return;
-			SkipToPrevSong();
-			break;
-		case 3: // skip to next
-			if (!_song_is_active)
-				return;
-			SkipToNextSong();
-			break;
-		case 4: // stop playing
-			msf.playing = false;
-			break;
-		case 5: // start playing
-			msf.playing = true;
-			break;
-		case 6:{ // volume sliders
-			byte *vol,new_vol;
-			int x = e->we.click.pt.x - 88;
-
-			if (x < 0)
-				return;
-
-			vol = &msf.music_vol;
-			if (x >= 106) {
-				vol = &msf.effect_vol;
-				x -= 106;
-			}
-
-			new_vol = min(max(x-21,0)*2,127);
-			if (new_vol != *vol) {
-				*vol = new_vol;
-				if (vol == &msf.music_vol)
-					MusicVolumeChanged(new_vol);
-				SetWindowDirty(w);
-			}
-
-			_left_button_clicked = false;
-		} break;
-		case 10: //toggle shuffle
-			msf.shuffle ^= 1;
-			StopMusic();
-			SelectSongToPlay();
-			break;
-		case 11: //show track selection
-			ShowMusicTrackSelection();
-			break;
-		case 12: case 13: case 14: case 15: case 16: case 17: // playlist
-			msf.playlist = e->we.click.widget - 12;
-			SetWindowDirty(w);
-			InvalidateWindow(WC_MUSIC_TRACK_SELECTION, 0);
-			StopMusic();
-			SelectSongToPlay();
-			break;
-		}
-		break;
-
-	case WE_MOUSELOOP:
-		InvalidateWindowWidget(WC_MUSIC_WINDOW, 0, 7);
-		break;
-	}
-
-}
-
-static const Widget _music_window_widgets[] = {
-{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,              STR_018B_CLOSE_WINDOW},
-{    WWT_CAPTION,   RESIZE_NONE,    14,    11,   299,     0,    13, STR_01D2_JAZZ_JUKEBOX, STR_018C_WINDOW_TITLE_DRAG_THIS},
-{ WWT_PUSHIMGBTN,   RESIZE_NONE,    14,     0,    21,    14,    35, SPR_IMG_SKIP_TO_PREV,  STR_01DE_SKIP_TO_PREVIOUS_TRACK},
-{ WWT_PUSHIMGBTN,   RESIZE_NONE,    14,    22,    43,    14,    35, SPR_IMG_SKIP_TO_NEXT,  STR_01DF_SKIP_TO_NEXT_TRACK_IN_SELECTION},
-{ WWT_PUSHIMGBTN,   RESIZE_NONE,    14,    44,    65,    14,    35, SPR_IMG_STOP_MUSIC,    STR_01E0_STOP_PLAYING_MUSIC},
-{ WWT_PUSHIMGBTN,   RESIZE_NONE,    14,    66,    87,    14,    35, SPR_IMG_PLAY_MUSIC,    STR_01E1_START_PLAYING_MUSIC},
-{      WWT_PANEL,   RESIZE_NONE,    14,    88,   299,    14,    35, 0x0,                   STR_01E2_DRAG_SLIDERS_TO_SET_MUSIC},
-{      WWT_PANEL,   RESIZE_NONE,    14,   186,   201,    15,    34, 0x0,                   STR_NULL},
-{      WWT_PANEL,   RESIZE_NONE,    14,     0,   299,    36,    57, 0x0,                   STR_NULL},
-{      WWT_PANEL,   RESIZE_NONE,    14,    59,   240,    45,    53, 0x0,                   STR_NULL},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,     6,    55,    42,    49, 0x0,                   STR_01FB_TOGGLE_PROGRAM_SHUFFLE},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   244,   293,    42,    49, 0x0,                   STR_01FC_SHOW_MUSIC_TRACK_SELECTION},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,     0,    49,    58,    65, 0x0,                   STR_01F3_SELECT_ALL_TRACKS_PROGRAM},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,    50,    99,    58,    65, 0x0,                   STR_01F4_SELECT_OLD_STYLE_MUSIC},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   100,   149,    58,    65, 0x0,                   STR_01F5_SELECT_NEW_STYLE_MUSIC},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   150,   199,    58,    65, 0x0,                   STR_0330_SELECT_EZY_STREET_STYLE},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   200,   249,    58,    65, 0x0,                   STR_01F6_SELECT_CUSTOM_1_USER_DEFINED},
-{    WWT_PUSHBTN,   RESIZE_NONE,    14,   250,   299,    58,    65, 0x0,                   STR_01F7_SELECT_CUSTOM_2_USER_DEFINED},
-{   WIDGETS_END},
-};
-
-static const WindowDesc _music_window_desc = {
-	0, 22, 300, 66,
-	WC_MUSIC_WINDOW,0,
-	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
-	_music_window_widgets,
-	MusicWindowWndProc
-};
-
-void ShowMusicWindow(void)
-{
-	AllocateWindowDescFront(&_music_window_desc, 0);
-}