diff --git a/polymer/eduke32/source/gamedef.c b/polymer/eduke32/source/gamedef.c
index c38c140e6..d7712b371 100644
--- a/polymer/eduke32/source/gamedef.c
+++ b/polymer/eduke32/source/gamedef.c
@@ -2138,15 +2138,25 @@ void C_DefineSound(int32_t sndidx, const char *fn, int32_t args[5])
 
 void C_DefineMusic(int32_t vol, int32_t lev, const char *fn)
 {
-    Bassert((unsigned)vol < MAXVOLUMES+1);
-    Bassert((unsigned)lev < MAXLEVELS);
-
+    if (vol==-1)
     {
-        map_t *const map = &MapInfo[(MAXLEVELS*vol)+lev];
+        Bassert((unsigned)lev < MAXVOLUMES);
 
-        Bfree(map->musicfn);
-        map->musicfn = dup_filename(fn);
-        check_filename_case(map->musicfn);
+        Bstrncpyz(EnvMusicFilename[lev], fn, BMAX_PATH);
+        check_filename_case(EnvMusicFilename[lev]);
+    }
+    else
+    {
+        Bassert((unsigned)vol < MAXVOLUMES+1);
+        Bassert((unsigned)lev < MAXLEVELS);
+
+        {
+            map_t *const map = &MapInfo[(MAXLEVELS*vol)+lev];
+
+            Bfree(map->musicfn);
+            map->musicfn = dup_filename(fn);
+            check_filename_case(map->musicfn);
+        }
     }
 }
 
diff --git a/polymer/eduke32/source/lunatic/con_lang.lua b/polymer/eduke32/source/lunatic/con_lang.lua
index 2cd9169f9..462b4286a 100644
--- a/polymer/eduke32/source/lunatic/con_lang.lua
+++ b/polymer/eduke32/source/lunatic/con_lang.lua
@@ -821,7 +821,9 @@ local UserdefLabels = {
     screen_tilting = UD".screen_tilting",
     showallmap = UDRO".showallmap",
     showweapons = UDRO".showweapons",
+    statusbarscale = UDRO".statusbarscale",
     volume_number = { UD".volume_number", UD":set_volume_number(%%s)" },
+    weaponscale = UDRO".weaponscale",
     weaponswitch = UD".weaponswitch",
 }
 
diff --git a/polymer/eduke32/source/lunatic/lunacon.lua b/polymer/eduke32/source/lunatic/lunacon.lua
index f8a428348..cd6c59762 100644
--- a/polymer/eduke32/source/lunatic/lunacon.lua
+++ b/polymer/eduke32/source/lunatic/lunacon.lua
@@ -955,22 +955,20 @@ function Cmd.definesound(sndnum, fn, ...)
 end
 
 function Cmd.music(volnum, ...)
-    if (volnum==0) then
-        warnprintf("`music' for volume 0 not yet implemented")
-        return
-    end
+    local envmusicp = (volnum==0)
 
-    if (not (volnum >= 1 and volnum <= conl.MAXVOLUMES)) then
+    if (not (volnum >= 0 and volnum <= conl.MAXVOLUMES)) then
         -- NOTE: Don't allow MAXVOLUMES+1 for now.
-        errprintf("volume number must be between 1 and MAXVOLUMES=%d", conl.MAXVOLUMES)
+        errprintf("volume number must be between 0 and MAXVOLUMES=%d", conl.MAXVOLUMES)
         return
     end
 
     local filenames = {...}
+    local MAXFNS = envmusicp and conl.MAXVOLUMES or conl.MAXLEVELS
 
-    if (#filenames > conl.MAXLEVELS) then
-        warnprintf("ignoring extraneous %d music file names", #filenames-conl.MAXLEVELS)
-        for i=conl.MAXLEVELS+1,#filenames do
+    if (#filenames > MAXFNS) then
+        warnprintf("ignoring extraneous %d music file names", #filenames-MAXFNS)
+        for i=MAXFNS+1,#filenames do
             filenames[i] = nil
         end
     end