diff --git a/components/MusicTable.py b/components/MusicTable.py
index 91b73b6..919bab5 100644
--- a/components/MusicTable.py
+++ b/components/MusicTable.py
@@ -689,8 +689,13 @@ class MusicTable(QTableView):
                 return
         # Populate the model
         row_count: int = 0
+        # TODO: total time of playlist
+        # but how do i want to do this if user doesn't choose to see length field?
+        # spawn new thread and calculate myself?
         total_time: int = 0  # total time of all songs in seconds
         for row_data in data:
+            print(row_data)
+            # if "length" in fields:
             row_count += 1
             id, *rest_of_data = row_data
             # handle different datatypes
diff --git a/main.py b/main.py
index 54719e8..5e0dd93 100644
--- a/main.py
+++ b/main.py
@@ -23,11 +23,13 @@ from PyQt5.QtWidgets import (
     QGraphicsScene,
     QGraphicsPixmapItem,
     QMessageBox,
+    QPushButton,
     QStatusBar,
     QStyle,
 )
 from PyQt5.QtCore import (
     QSize,
+    QThread,
     QUrl,
     QTimer,
     Qt,
@@ -140,29 +142,22 @@ class ApplicationWindow(QMainWindow, Ui_MainWindow):
 
     def __init__(self, clipboard):
         super(ApplicationWindow, self).__init__()
-
-        # clipboard good
         self.clipboard = clipboard
-
-        # Config
         self.config: ConfigParser = ConfigParser()
         self.cfg_file = (
             Path(user_config_dir(appname="musicpom", appauthor="billypom"))
             / "config.ini"
         )
         self.config.read(self.cfg_file)
-
-        # Multithreading stuff...
-        self.threadpool = QThreadPool()
+        self.threadpool: QThreadPool = QThreadPool()
         # UI
         self.setupUi(self)
         self.setWindowTitle("musicpom")
-
         self.setup_fonts()
 
         # self.vLayoutAlbumArt.SetFixedSize()
-        self.status_bar = QStatusBar()
-        self.permanent_status_label = QLabel("")
+        self.status_bar: QStatusBar = QStatusBar()
+        self.permanent_status_label: QLabel = QLabel("")
         self.status_bar.addPermanentWidget(self.permanent_status_label)
         self.setStatusBar(self.status_bar)
 
@@ -195,6 +190,7 @@ class ApplicationWindow(QMainWindow, Ui_MainWindow):
         self.previousButton.setIcon(icon)
         pixmapi = QStyle.StandardPixmap.SP_MediaPlay
         icon = style.standardIcon(pixmapi)
+        self.playButton: QPushButton
         self.playButton.setIcon(icon)
 
         # sharing functions with other classes and that