diff --git a/components/AddToPlaylistWindow.py b/components/AddToPlaylistWindow.py
index af82ea6..1eff26a 100644
--- a/components/AddToPlaylistWindow.py
+++ b/components/AddToPlaylistWindow.py
@@ -15,6 +15,10 @@ import logging
 
 
 class AddToPlaylistWindow(QDialog):
+    """
+    Dialog box to choose what playlist to add the selected files to
+    """
+
     def __init__(self, song_db_ids: list):
         super(AddToPlaylistWindow, self).__init__()
         self.song_db_ids = song_db_ids
diff --git a/components/AlbumArtGraphicsView.py b/components/AlbumArtGraphicsView.py
index fffd881..8fa6a07 100644
--- a/components/AlbumArtGraphicsView.py
+++ b/components/AlbumArtGraphicsView.py
@@ -2,10 +2,20 @@ import os
 import tempfile
 from PyQt5.QtWidgets import QGraphicsScene, QGraphicsView, QMenu, QAction
 from PyQt5.QtCore import QEvent, Qt, pyqtSignal, QUrl, QPoint
-from PyQt5.QtGui import QDragEnterEvent, QDropEvent, QClipboard, QPixmap
+from PyQt5.QtGui import (
+    QDragEnterEvent,
+    QDragMoveEvent,
+    QDropEvent,
+    QClipboard,
+    QPixmap,
+)
 
 
 class AlbumArtGraphicsView(QGraphicsView):
+    """
+    Displays the album art of the currently playing song
+    """
+
     albumArtDropped = pyqtSignal(str)
     albumArtDeleted = pyqtSignal(str)
 
@@ -15,21 +25,22 @@ class AlbumArtGraphicsView(QGraphicsView):
         self.setContextMenuPolicy(Qt.CustomContextMenu)
         self.scene = QGraphicsScene
         self.customContextMenuRequested.connect(self.showContextMenu)
-        self.qapp = None
 
-    def dragEnterEvent(self, event):
+    def dragEnterEvent(self, event: QDragEnterEvent | None):
+        if not event:
+            return
         if event.mimeData().hasUrls():
             event.accept()
         else:
             event.ignore()
 
-    def dragMoveEvent(self, event):
+    def dragMoveEvent(self, event: QDragMoveEvent | None):
         if event.mimeData().hasUrls():
             event.accept()
         else:
             event.ignore()
 
-    def dropEvent(self, event):
+    def dropEvent(self, event: QDropEvent | None):
         """Handles drag and drop pic onto view to add album art to songs"""
         urls = event.mimeData().urls()
         if urls:
diff --git a/components/PreferencesWindow.py b/components/PreferencesWindow.py
index 7c9c035..2fca613 100644
--- a/components/PreferencesWindow.py
+++ b/components/PreferencesWindow.py
@@ -14,7 +14,7 @@ class PreferencesWindow(QDialog):
     def __init__(self, config):
         super(PreferencesWindow, self).__init__()
         self.setWindowTitle("Preferences")
-        self.setMinimumSize(400, 400)
+        self.setMinimumSize(400, 800)
         self.config = config
         layout = QVBoxLayout()
 
diff --git a/ui.py b/ui.py
index e71b36a..427d969 100644
--- a/ui.py
+++ b/ui.py
@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'ui.ui'
 #
-# Created by: PyQt5 UI code generator 5.15.9
+# Created by: PyQt5 UI code generator 5.15.10
 #
 # WARNING: Any manual changes made to this file will be lost when pyuic5 is
 # run again.  Do not edit this file unless you know what you are doing.
@@ -120,6 +120,8 @@ class Ui_MainWindow(object):
         self.hLayoutMusicTable.setStretch(0, 2)
         self.hLayoutMusicTable.setStretch(1, 10)
         self.verticalLayout.addLayout(self.hLayoutMusicTable)
+        self.verticalLayout.setStretch(0, 1)
+        self.verticalLayout.setStretch(1, 10)
         self.verticalLayout_3.addLayout(self.verticalLayout)
         self.hLayoutControls = QtWidgets.QHBoxLayout()
         self.hLayoutControls.setSpacing(6)
@@ -158,7 +160,7 @@ class Ui_MainWindow(object):
         self.verticalLayout_3.setStretch(2, 1)
         MainWindow.setCentralWidget(self.centralwidget)
         self.menubar = QtWidgets.QMenuBar(MainWindow)
-        self.menubar.setGeometry(QtCore.QRect(0, 0, 1152, 21))
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 1152, 41))
         self.menubar.setObjectName("menubar")
         self.menuFile = QtWidgets.QMenu(self.menubar)
         self.menuFile.setObjectName("menuFile")
diff --git a/ui.ui b/ui.ui
index 6de475e..7609c9f 100644
--- a/ui.ui
+++ b/ui.ui
@@ -19,7 +19,7 @@
   <widget class="QWidget" name="centralwidget">
    <layout class="QVBoxLayout" name="verticalLayout_3" stretch="10,1,1">
     <item>
-     <layout class="QVBoxLayout" name="verticalLayout">
+     <layout class="QVBoxLayout" name="verticalLayout" stretch="1,10">
       <property name="spacing">
        <number>6</number>
       </property>
@@ -281,7 +281,7 @@
      <x>0</x>
      <y>0</y>
      <width>1152</width>
-     <height>21</height>
+     <height>41</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
diff --git a/utils/batch_delete_filepaths_from_database.py b/utils/batch_delete_filepaths_from_database.py
index 46b576c..48e4d9d 100644
--- a/utils/batch_delete_filepaths_from_database.py
+++ b/utils/batch_delete_filepaths_from_database.py
@@ -1,4 +1,5 @@
 import DBA
+import logging
 from components.ErrorDialog import ErrorDialog
 
 
@@ -8,6 +9,10 @@ def batch_delete_filepaths_from_database(
     """
     Handles deleting many songs from the database by filepath
     Accounts for playlists and other song-linked tables
+    Args:
+        files: a list of absolute filepaths to songs
+        chunk_size: how many files to process at once in DB
+        progress_callback: emit this signal for user feedback
 
     Returns True on success
     False on failure/error
@@ -20,6 +25,9 @@ def batch_delete_filepaths_from_database(
             result = db.query(query, files)
             song_ids = [item[0] for item in result]
     except Exception as e:
+        logging.error(
+            f"batch_delete_filepaths_from_database.py | An error occurred during retrieval of song_ids: {e}"
+        )
         dialog = ErrorDialog(
             f"batch_delete_filepaths_from_database.py | An error occurred during retrieval of song_ids: {e}"
         )
@@ -42,6 +50,9 @@ def batch_delete_filepaths_from_database(
                 if progress_callback:
                     progress_callback.emit(f"Deleting songs: {i}")
     except Exception as e:
+        logging.error(
+            f"batch_delete_filepaths_from_database.py | An error occurred during batch processing: {e}"
+        )
         dialog = ErrorDialog(
             f"batch_delete_filepaths_from_database.py | An error occurred during batch processing: {e}"
         )