diff --git a/copy_tag.py b/copy_tag.py
new file mode 100644
index 0000000..ca3c8c3
--- /dev/null
+++ b/copy_tag.py
@@ -0,0 +1,23 @@
+from argparse import ArgumentParser
+import music_tag
+import taglib
+
+p = ArgumentParser()
+p.add_argument('infile')
+p.add_argument('outfile')
+
+
+def main():
+    arg = p.parse_args()
+    with taglib.File(arg.infile) as f:
+        with taglib.File(arg.outfile) as o:
+            o.tags.update(f.tags)
+            o.save()
+    i = music_tag.load_file(arg.infile)
+    o = music_tag.load_file(arg.outfile)
+    o["artwork"] = i["artwork"]
+    o.save()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/link_directory.py b/link_directory.py
new file mode 100644
index 0000000..21e1d23
--- /dev/null
+++ b/link_directory.py
@@ -0,0 +1,40 @@
+from argparse import ArgumentParser
+from os.path import exists, isdir, join
+from os import makedirs, listdir, link
+
+
+p = ArgumentParser(description='Link files in a directory to another directory.')  # noqa: E501
+p.add_argument('-a', '--all', help='Include all files.', action='store_true')  # noqa: E501
+p.add_argument('input', help='The path to the input directory.')
+p.add_argument('output', help='The path to the output directory.')
+
+
+def hardlink_files(input: str, output: str, all: bool):
+    if exists(input) and not isdir(input):
+        raise ValueError(f"{input} is not a directory.")
+    if exists(output) and not isdir(output):
+        raise ValueError(f"{output} is not a directory.")
+    if not exists(output):
+        makedirs(output)
+    for f in listdir(input):
+        if not all and f.startswith('.'):
+            continue
+        src = join(input, f)
+        dst = join(output, f)
+        if isdir(src):
+            hardlink_files(src, dst, all)
+            continue
+        if exists(dst):
+            print(f"{dst} already exists.")
+            continue
+        print(f"Linking {src} to {dst}.")
+        link(src, dst)
+
+
+def main(args=None):
+    arg = p.parse_intermixed_args(args)
+    hardlink_files(arg.input, arg.output, arg.all)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/link_to_jellyfin_music.py b/link_to_jellyfin_music.py
index 6b86f9e..26abbef 100644
--- a/link_to_jellyfin_music.py
+++ b/link_to_jellyfin_music.py
@@ -84,7 +84,7 @@ def get_m4a_files(dir: str, r: bool) -> List[str]:
         if isdir(file):
             if r:
                 re += get_m4a_files(file, r)
-        elif file.endswith('.m4a') or file.endswith(".flac"):
+        elif file.endswith('.m4a') or file.endswith(".flac") or file.endswith(".mp3"):
             re.append(file)
     return re
 
diff --git a/unpack_xxxx.py b/unpack_xxxx.py
new file mode 100644
index 0000000..5fb0dda
--- /dev/null
+++ b/unpack_xxxx.py
@@ -0,0 +1,45 @@
+from argparse import ArgumentParser
+from json import load, dump
+import os
+from os.path import splitext, join
+import xxtea
+
+
+def try_decode(fn: str):
+    with open(fn, 'rb') as f:
+        data = f.read(6)
+        if data != b'jiaile':
+            return
+        data = f.read()
+    data = xxtea.decrypt(data, b"6uJL0SF5CQQuPZoW", padding=False)
+    with open(fn, 'wb') as f:
+        f.write(data)
+    print(f"Decrypted {fn}")
+
+def remove_unneed(fn: str):
+    with open(fn, 'r', encoding='utf-8') as f:
+        data = load(f)
+    re = []
+    for i in data['FileReferences']['Textures']:
+        if i.endswith(".pvr.ccz"):
+            re.append(i[0:-8] + '.png')
+        else:
+            re.append(i)
+    data['FileReferences']['Textures'] = re
+    with open(fn, 'w', encoding='utf-8') as f:
+        dump(data, f)
+    print('Removed unneeded files from', fn)
+
+ap = ArgumentParser()
+ap.add_argument('DIR', help='Input Directory')
+args = ap.parse_args()
+for (root, dirname, filename) in os.walk(args.DIR[0]):
+    for fn in filename:
+        ext = splitext(fn)[1].lower()
+        if ext in ['.jpg', '.jpeg', '.png']:
+            try_decode(join(root, fn))
+        elif fn.endswith('.model3.json'):
+            remove_unneed(join(root, fn))
+        elif fn.endswith('.pvr.ccz'):
+            os.remove(join(root, fn))
+            print('Removed', fn)