diff --git a/app/models.py b/app/models.py
index a16cad6..f5e5779 100644
--- a/app/models.py
+++ b/app/models.py
@@ -59,9 +59,10 @@ class Track:
     def __post_init__(self):
         if self.artist is not None:
             artists = utils.split_artists(self.artist)
+
             featured = utils.extract_featured_artists_from_title(self.title)
-            artists.extend(featured)
-            artists = set(artists)
+            original_lower = "-".join([a.lower() for a in artists])
+            artists.extend([a for a in featured if a.lower() not in original_lower])
 
             self.artist_hashes = [utils.create_hash(a, decode=True) for a in artists]
 
diff --git a/app/utils.py b/app/utils.py
index 95d7886..8be1836 100644
--- a/app/utils.py
+++ b/app/utils.py
@@ -260,7 +260,7 @@ def is_windows():
 
 
 def split_artists(src: str):
-    artists = re.split(r"\s*[&,;/]\s*", src)
+    artists = re.split(r"\s*[&,;]\s*", src)
     return [a.strip() for a in artists]