diff --git a/karaokatalog/organize/move.py b/karaokatalog/organize/move.py
index ac39f52..805978a 100644
--- a/karaokatalog/organize/move.py
+++ b/karaokatalog/organize/move.py
@@ -2,6 +2,8 @@ import re
 from collections.abc import Sequence
 from pathlib import Path
 
+from tqdm import tqdm
+
 from karaokatalog.instructions.MoveInstruction import MoveInstruction
 from karaokatalog.Song import Song
 
@@ -26,30 +28,33 @@ def move(songs: Sequence[Song], base_dir: Path) -> Sequence[MoveInstruction]:
     Create move instructions to move every song into the proper song directory
     within the given base_dir.
     """
-    song_dirs = set(song.dir.relative_to(base_dir) for song in songs)
+    song_dir_strs_lower = set(
+        str(song.dir.relative_to(base_dir)).lower() for song in songs
+    )
     move_instructions = []
 
-    for song in songs:
+    for song in tqdm(songs, unit=" songs"):
         absolute_song_dir = song.dir
         song_dir = absolute_song_dir.relative_to(base_dir)
+        song_dir_str_lower = str(song_dir).lower()
         canonical_song_dir = _get_canonical_song_dir(song)
 
-        if song_dir not in song_dirs:
+        if song_dir_str_lower not in song_dir_strs_lower:
             # A move instruction has already been generated for the dir this song is in
             # (which is possible, because some dirs contain multiple (variants of) songs)
             continue
 
         if song_dir != canonical_song_dir:
             # song_dir is not a good name, we want to replace it, so this path will soon be free
-            song_dirs.remove(song_dir)
+            song_dir_strs_lower.remove(song_dir_str_lower)
 
             # Find a canonical song dir variant that does not yet exist
             variant = 1
-            while canonical_song_dir in song_dirs:
+            while str(canonical_song_dir).lower() in song_dir_strs_lower:
                 canonical_song_dir = _get_canonical_song_dir(song, variant)
                 variant += 1
 
-            song_dirs.add(canonical_song_dir)
+            song_dir_strs_lower.add(str(canonical_song_dir).lower())
             move_instructions.append(
                 MoveInstruction(absolute_song_dir, base_dir / canonical_song_dir)
             )