diff --git a/worlds/musedash/MuseDashCollection.py b/worlds/musedash/MuseDashCollection.py
index 55523542d7df..6cd27c696c93 100644
--- a/worlds/musedash/MuseDashCollection.py
+++ b/worlds/musedash/MuseDashCollection.py
@@ -34,6 +34,7 @@ class MuseDashCollections:
         "Rush-Hour",
         "Find this Month's Featured Playlist",
         "PeroPero in the Universe",
+        "umpopoff"
     ]
 
     album_items: Dict[str, AlbumData] = {}
@@ -81,11 +82,22 @@ def __init__(self) -> None:
             steamer_mode = sections[3] == "True"
 
             if song_name in self.DIFF_OVERRIDES:
-                # Note: These difficulties may not actually be representative of these songs.
-                # The game does not provide these difficulties so they have to be filled in.
-                diff_of_easy = 4
-                diff_of_hard = 7
-                diff_of_master = 10
+                # These songs use non-standard difficulty values. Which are being overriden with standard values.
+                # But also avoid filling any missing difficulties (i.e. 0s) with a difficulty value.
+                if sections[4] != '0':
+                    diff_of_easy = 4
+                else:
+                    diff_of_easy = None
+
+                if sections[5] != '0':
+                    diff_of_hard = 7
+                else:
+                    diff_of_hard = None
+
+                if sections[6] != '0':
+                    diff_of_master = 10
+                else:
+                    diff_of_master = None
             else:
                 diff_of_easy = self.parse_song_difficulty(sections[4])
                 diff_of_hard = self.parse_song_difficulty(sections[5])
diff --git a/worlds/musedash/MuseDashData.txt b/worlds/musedash/MuseDashData.txt
index 54a0124474c6..fe3574f31b67 100644
--- a/worlds/musedash/MuseDashData.txt
+++ b/worlds/musedash/MuseDashData.txt
@@ -119,7 +119,7 @@ Prestige and Vestige|56-4|Give Up TREATMENT Vol.11|True|6|8|11|
 Tiny Fate|56-5|Give Up TREATMENT Vol.11|False|7|9|11|
 Tsuki ni Murakumo Hana ni Kaze|55-0|Touhou Mugakudan -2-|False|3|5|7|
 Patchouli's - Best Hit GSK|55-1|Touhou Mugakudan -2-|False|3|5|8|
-Monosugoi Space Shuttle de Koishi ga Monosugoi uta|55-2|Touhou Mugakudan -2-|False|3|5|7|
+Monosugoi Space Shuttle de Koishi ga Monosugoi uta|55-2|Touhou Mugakudan -2-|False|3|5|7|11
 Kakoinaki Yo wa Ichigo no Tsukikage|55-3|Touhou Mugakudan -2-|False|3|6|8|
 Psychedelic Kizakura Doumei|55-4|Touhou Mugakudan -2-|False|4|7|10|
 Mischievous Sensation|55-5|Touhou Mugakudan -2-|False|5|7|9|
@@ -501,4 +501,12 @@ slic.hertz|68-1|Gambler's Tricks|True|5|7|9|
 Fuzzy-Navel|68-2|Gambler's Tricks|True|6|8|10|11
 Swing Edge|68-3|Gambler's Tricks|True|4|8|10|
 Twisted Escape|68-4|Gambler's Tricks|True|5|8|10|11
-Swing Sweet Twee Dance|68-5|Gambler's Tricks|False|4|7|10|
\ No newline at end of file
+Swing Sweet Twee Dance|68-5|Gambler's Tricks|False|4|7|10|
+Sanyousei SAY YA!!!|43-42|MD Plus Project|False|4|6|8|
+YUKEMURI TAMAONSEN II|43-43|MD Plus Project|False|3|6|9|
+Samayoi no mei Amatsu|69-0|Touhou Mugakudan -3-|False|4|6|9|
+INTERNET SURVIVOR|69-1|Touhou Mugakudan -3-|False|5|8|10|
+Shuki*RaiRai|69-2|Touhou Mugakudan -3-|False|5|7|9|
+HELLOHELL|69-3|Touhou Mugakudan -3-|False|4|7|10|
+Calamity Fortune|69-4|Touhou Mugakudan -3-|True|6|8|10|11
+Tsurupettan|69-5|Touhou Mugakudan -3-|True|2|5|8|
\ No newline at end of file
diff --git a/worlds/musedash/Options.py b/worlds/musedash/Options.py
index 3fe28187fae6..d5ce313f8f03 100644
--- a/worlds/musedash/Options.py
+++ b/worlds/musedash/Options.py
@@ -36,7 +36,7 @@ class AdditionalSongs(Range):
     - The final song count may be lower due to other settings.
     """
     range_start = 15
-    range_end = 500  # Note will probably not reach this high if any other settings are done.
+    range_end = 508  # Note will probably not reach this high if any other settings are done.
     default = 40
     display_name = "Additional Song Count"
 
diff --git a/worlds/musedash/__init__.py b/worlds/musedash/__init__.py
index a68fd2853def..af2d4cc207da 100644
--- a/worlds/musedash/__init__.py
+++ b/worlds/musedash/__init__.py
@@ -328,5 +328,6 @@ def fill_slot_data(self):
             "victoryLocation": self.victory_song_name,
             "deathLink": self.options.death_link.value,
             "musicSheetWinCount": self.get_music_sheet_win_count(),
-            "gradeNeeded": self.options.grade_needed.value
+            "gradeNeeded": self.options.grade_needed.value,
+            "hasFiller": True,
         }
diff --git a/worlds/musedash/test/TestDifficultyRanges.py b/worlds/musedash/test/TestDifficultyRanges.py
index 01420347af15..af3469aa080f 100644
--- a/worlds/musedash/test/TestDifficultyRanges.py
+++ b/worlds/musedash/test/TestDifficultyRanges.py
@@ -66,5 +66,11 @@ def test_songs_have_difficulty(self) -> None:
         for song_name in muse_dash_world.md_collection.DIFF_OVERRIDES:
             song = muse_dash_world.md_collection.song_items[song_name]
 
-            self.assertTrue(song.easy is not None and song.hard is not None and song.master is not None,
+            # umpopoff is a one time weird song. Its currently the only song in the game
+            # with non-standard difficulties and also doesn't have 3 or more difficulties.
+            if song_name == 'umpopoff':
+                self.assertTrue(song.easy is None and song.hard is not None and song.master is None,
+                                f"Song '{song_name}' difficulty not set when it should be.")
+            else:
+                self.assertTrue(song.easy is not None and song.hard is not None and song.master is not None,
                 f"Song '{song_name}' difficulty not set when it should be.")