diff --git a/src/main.py b/src/main.py
index 0179104..527c3eb 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,4 +1,6 @@
 import argparse
+import subprocess
+from subprocess import CalledProcessError
 from pathlib import Path
 
 
@@ -28,9 +30,14 @@ def skip_album(path: Path):
 
 
 def transcode(transcode_list: list, encoder: Path):
-    additional_args = ('--bitrate 128', '--music')
+    additional_args = ('--bitrate', '128', '--music')
     for in_track, out_track in transcode_list:
-        print((in_track, out_track) + additional_args)
+        subprocess_args = (str(encoder),) + additional_args + (in_track, out_track)
+        try:
+            result = subprocess.run(subprocess_args, capture_output=True, text=True, check=True)
+        except CalledProcessError:
+            print(f"ERROR: Transcoding of '{in_track}' failed with errors:")
+            print(result.stderr)
 
 
 def main(input_dir: Path, output_dir: Path, encoder: Path):
@@ -50,9 +57,11 @@ def main(input_dir: Path, output_dir: Path, encoder: Path):
                             print(f"Skipping '{artist.parts[-1]} / {album.parts[-1]}'")
                         else:
                             album_out.mkdir()
+                            # todo: copy files not on blacklist
+                            # todo: create blacklist
                             for track in album.iterdir():
                                 if track.is_file() and track.suffix.lower() == '.flac':
-                                    transcode_list.append((str(track), str(album_out / f"{track.name}.opus")))
+                                    transcode_list.append((str(track), str(album_out / f"{track.stem}.opus")))
                     else:
                         print(f"Warning, skipping non-dir '{album}' found in artist '{artist.parts[-1]}'")
                         continue