diff --git a/src/app.py b/src/app.py
index 4baae95..c4636d7 100644
--- a/src/app.py
+++ b/src/app.py
@@ -1,53 +1,38 @@
 import os
 import shutil
-from collections import defaultdict
 from mutagen.id3 import ID3, TBPM
 from pathlib import Path
 
-# Config
+# Define source (dir A) and destination (dir B) directories
 dir_a = Path(r"C:\Users\Edgar\Desktop\Peak Time BOF (ed1337x)\Already where in MP3")
 dir_b = Path(r"C:\Users\Edgar\Desktop\Peak Time BOF (ed1337x)\CD")
-bin_size = 5  # BPM range size
 
-# Ensure target directory exists
+# Make sure destination base exists
 dir_b.mkdir(parents=True, exist_ok=True)
 
-# Function to get BPM from file
 def get_bpm(file_path):
     try:
         tags = ID3(file_path)
         bpm_tag = tags.get('TBPM')
         if bpm_tag:
             bpm_str = str(bpm_tag.text[0])
-            return int(float(bpm_str))
+            return int(float(bpm_str))  # Some BPMs are floats or strings
     except Exception as e:
-        print(f"Could not read BPM from {file_path}: {e}")
+        print(f"[!] Error reading BPM from {file_path.name}: {e}")
     return None
 
-# Collect BPMs
-bpm_to_files = defaultdict(list)
-
 for file in dir_a.glob("*.mp3"):
     bpm = get_bpm(file)
-    if bpm:
-        bpm_to_files[bpm].append(file)
+    if bpm is not None:
+        # Calculate non-overlapping 5-BPM bin
+        lower_bound = (bpm // 5) * 5
+        upper_bound = lower_bound + 4  # Inclusive range: e.g., 130–134
+        folder_name = f"{lower_bound}-to-{upper_bound}"
+        target_folder = dir_b / folder_name
+        target_folder.mkdir(exist_ok=True)
+        target_file = target_folder / file.name
+        shutil.copy(file, target_file)
+        print(f"[+] Copied {file.name} to {folder_name}")
     else:
-        print(f"Skipping {file.name} (no BPM)")
-
-# Group into dynamic 5-BPM bins
-bins = defaultdict(list)
-
-for bpm, files in bpm_to_files.items():
-    bin_start = (bpm // bin_size) * bin_size
-    bin_end = bin_start + bin_size
-    bin_label = f"{bin_start}-to-{bin_end}"
-    bins[bin_label].extend(files)
-
-# Copy files to corresponding bins
-for bin_label, files in bins.items():
-    target_folder = dir_b / bin_label
-    target_folder.mkdir(exist_ok=True)
-    for file in files:
-        shutil.copy(file, target_folder / file.name)
-        print(f"Copied {file.name} to {bin_label}")
+        print(f"[-] No BPM found for {file.name}, skipping.")