diff --git a/app/api/artist.py b/app/api/artist.py
index 3c8b3f75..45d1d65d 100644
--- a/app/api/artist.py
+++ b/app/api/artist.py
@@ -199,10 +199,9 @@ def get_artist(artisthash: str):
     if acount == 0 and tcount < 10:
         limit = tcount
 
-    artist.trackcount = tcount
-    artist.albumcount = acount
-
-    artist.duration = sum(t.duration for t in tracks)
+    artist.set_trackcount(tcount)
+    artist.set_albumcount(acount)
+    artist.set_duration(sum(t.duration for t in tracks))
 
     artist.is_favorite = favdb.check_is_favorite(artisthash, FavType.artist)
 
diff --git a/app/api/playlist.py b/app/api/playlist.py
index 69531fc5..c1c7abf2 100644
--- a/app/api/playlist.py
+++ b/app/api/playlist.py
@@ -80,8 +80,7 @@ def send_all_playlists():
             playlist.images = get_first_4_images(playlist.trackhashes)
             playlist.images = [img['image'] for img in playlist.images]
 
-        playlist.trackhashes = []
-        playlist.artisthashes = []
+        playlist.clear_lists()
 
     playlists.sort(
         key=lambda p: datetime.strptime(p.last_updated, "%Y-%m-%d %H:%M:%S"),
@@ -163,7 +162,7 @@ def get_playlist(playlistid: str):
     duration = sum(t.duration for t in tracks)
     playlist.last_updated = date_string_to_time_passed(playlist.last_updated)
 
-    playlist.duration = duration
+    playlist.set_duration(duration)
 
     if not playlist.has_image:
         playlist.images = get_first_4_images(playlist.trackhashes)
@@ -172,8 +171,7 @@ def get_playlist(playlistid: str):
             # swap 3rd image with first (3rd image is the visible image in UI)
             playlist.images[2], playlist.images[0] = playlist.images[0], playlist.images[2]
 
-    playlist.trackhashes = []
-    playlist.artisthashes = []
+    playlist.clear_lists()
 
     return {"info": playlist, "tracks": tracks}
 
diff --git a/app/lib/taglib.py b/app/lib/taglib.py
index b0141a32..9102b99b 100644
--- a/app/lib/taglib.py
+++ b/app/lib/taglib.py
@@ -64,16 +64,11 @@ def extract_thumb(filepath: str, webp_path: str) -> bool:
     return False
 
 
-def extract_date(date_str: str | None) -> int:
-    current_year = datetime.date.today().today().year
-
-    if date_str is None:
-        return current_year
-
+def extract_date(date_str: str | None, filepath: str) -> int:
     try:
         return int(date_str.split("-")[0])
     except:  # pylint: disable=bare-except
-        return current_year
+        return datetime.date.today().today().year
 
 
 def get_tags(filepath: str):
@@ -145,7 +140,7 @@ def get_tags(filepath: str):
     tags.image = f"{tags.albumhash}.webp"
     tags.folder = win_replace_slash(os.path.dirname(filepath))
 
-    tags.date = extract_date(tags.year)
+    tags.date = extract_date(tags.year, filepath)
     tags.filepath = win_replace_slash(filepath)
     tags.filetype = filetype
 
diff --git a/app/models/artist.py b/app/models/artist.py
index 2a525f43..0c826064 100644
--- a/app/models/artist.py
+++ b/app/models/artist.py
@@ -1,5 +1,5 @@
-import dataclasses
 import json
+import dataclasses
 from dataclasses import dataclass
 
 from app.utils.hashing import create_hash
@@ -33,11 +33,18 @@ class Artist(ArtistMinimal):
     colors: list[str] = dataclasses.field(default_factory=list)
     is_favorite: bool = False
 
-    def __post_init__(self):
-        super(Artist, self).__init__(self.name)
+    def __init__(self, name: str):
+        super(Artist, self).__init__(name)
         self.colors = json.loads(str(self.colors))
 
+    def set_trackcount(self, count: int):
+        self.trackcount = count
+
+    def set_albumcount(self, count: int):
+        self.albumcount = count
+
+    def set_duration(self, duration: int):
+        self.duration = duration
+
     def set_colors(self, colors: list[str]):
         self.colors = colors
-
-# TODO: Use inheritance to create the classes in this file.
diff --git a/app/models/playlist.py b/app/models/playlist.py
index dcabfdb3..8e4fefd0 100644
--- a/app/models/playlist.py
+++ b/app/models/playlist.py
@@ -40,3 +40,14 @@ class Playlist:
         else:
             self.image = "None"
             self.thumb = "None"
+
+    def set_duration(self, duration: int):
+        self.duration = duration
+
+    def clear_lists(self):
+        """
+        Removes data from lists to make it lighter for sending
+        over the API.
+        """
+        self.trackhashes = []
+        self.artisthashes = []
diff --git a/app/store/artists.py b/app/store/artists.py
index b8177700..b6ad3dcf 100644
--- a/app/store/artists.py
+++ b/app/store/artists.py
@@ -36,7 +36,7 @@ class ArtistStore:
 
         for artist in cls.artists:
             if artist.artisthash == artisthash:
-                artist.colors = color
+                artist.set_colors(color)
                 break
 
     @classmethod