diff --git a/app/config.py b/app/config.py
index 4925434..1d14ab2 100644
--- a/app/config.py
+++ b/app/config.py
@@ -80,6 +80,7 @@ class Config(object):
     ROOT = os.environ.get('ROOT') or "/home/kae/music"
     IMPORT_DESTINATION = os.path.join(ROOT, "Singles")
     SCROLL_TOP_MARGIN = 3
+    START_GAP_WARNING_THRESHOLD = 500
     TEXT_NO_TRACK_NO_NOTE = "[Section header]"
     TOD_TIME_FORMAT = "%H:%M:%S"
     TRACK_TIME_FORMAT = "%H:%M:%S"
diff --git a/app/playlistmodel.py b/app/playlistmodel.py
index 9b29832..50a0365 100644
--- a/app/playlistmodel.py
+++ b/app/playlistmodel.py
@@ -10,6 +10,7 @@ from PyQt6.QtCore import (
 )
 
 from PyQt6.QtGui import (
+    QBrush,
     QColor,
     QFont,
 )
@@ -40,7 +41,6 @@ class Col(Enum):
 
 
 class PlaylistRowData:
-
     def __init__(self, plr: PlaylistRows) -> None:
         """
         Populate PlaylistRowData from database PlaylistRows record
@@ -80,7 +80,7 @@ class PlaylistModel(QAbstractTableModel):
     def __init__(self, playlist_id: int, *args, **kwargs):
         self.playlist_id = playlist_id
         super().__init__(*args, **kwargs)
-        
+
         self.playlist_rows: dict[int, PlaylistRowData] = {}
         # self.current_row = None
         # self.next_row = None
@@ -91,20 +91,18 @@ class PlaylistModel(QAbstractTableModel):
         self.refresh_data()
 
     def __repr__(self) -> str:
-        return (
-            f"<PlaylistModel: playlist_id={self.playlist_id}>"
-        )
+        return f"<PlaylistModel: playlist_id={self.playlist_id}>"
 
-    def columnCount(self, parent: QModelIndex) -> int:
+    def columnCount(self, parent: QModelIndex = QModelIndex()) -> int:
         """Standard function for view"""
 
         return 9
 
-    def data(self, index: QModelIndex, role: Qt.ItemDataRole.DisplayRole):
+    # def data(self, index: QModelIndex, role: Qt.ItemDataRole.DisplayRole):
+    def data(self, index: QModelIndex, role: int = Qt.ItemDataRole.DisplayRole):
         """Return data to view"""
 
-        if not index.isValid() or not (
-                0 <= index.row() < len(self.playlist_rows)):
+        if not index.isValid() or not (0 <= index.row() < len(self.playlist_rows)):
             return QVariant()
 
         row = index.row()
@@ -132,7 +130,7 @@ class PlaylistModel(QAbstractTableModel):
         elif role == Qt.ItemDataRole.TextAlignmentRole:
             pass
         elif role == Qt.ItemDataRole.BackgroundRole:
-            pass
+            return self.background_role(row, column, prd)
         elif role == Qt.ItemDataRole.ForegroundRole:
             pass
         elif role == Qt.ItemDataRole.CheckStateRole:
@@ -169,43 +167,49 @@ class PlaylistModel(QAbstractTableModel):
 
         return QVariant()
 
+    def background_role(self, row: int, column: int, prd: PlaylistRowData) -> QBrush:
+        """ Return background setting """
 
-        if role == Qt.ItemDataRole.BackgroundRole:
-            if rowdata.path and file_is_unreadable(rowdata.path):
-                return QVariant(QColor(Config.COLOUR_UNREADABLE))
-            elif row == self.current_row:
-                return QVariant(QColor(Config.COLOUR_CURRENT_PLAYLIST))
-            elif row == self.next_row:
-                return QVariant(QColor(Config.COLOUR_NEXT_PLAYLIST))
-            elif column == BITRATE:
-                if rowdata.bitrate:
-                    if rowdata.bitrate < Config.BITRATE_LOW_THRESHOLD:
-                        cell_colour = Config.COLOUR_BITRATE_LOW
-                    elif rowdata.bitrate < Config.BITRATE_OK_THRESHOLD:
-                        cell_colour = Config.COLOUR_BITRATE_MEDIUM
-                    else:
-                        cell_colour = Config.COLOUR_BITRATE_OK
-                    return QVariant(QColor(cell_colour))
+        if column == Col.START_GAP.value:
+            if prd.start_gap >= Config.START_GAP_WARNING_THRESHOLD:
+                return QBrush(QColor(Config.COLOUR_LONG_START))
+        if column == Col.BITRATE.value:
+            if prd.bitrate < Config.BITRATE_LOW_THRESHOLD:
+                return QBrush(QColor(Config.COLOUR_BITRATE_LOW))
+            elif prd.bitrate < Config.BITRATE_OK_THRESHOLD:
+                return QBrush(QColor(Config.COLOUR_BITRATE_MEDIUM))
+            else:
+                return QBrush(QColor(Config.COLOUR_BITRATE_OK))
 
-            # Return a QColor, QIcon or QPixmap. QColor puts a coloured
-            # block to left of text
+        return QBrush()
 
-            return QVariant()
+        # if rowdata.path and file_is_unreadable(rowdata.path):
+        #     return QVariant(QColor(Config.COLOUR_UNREADABLE))
+        # elif row == self.current_row:
+        #     return QVariant(QColor(Config.COLOUR_CURRENT_PLAYLIST))
+        # elif row == self.next_row:
+        #     return QVariant(QColor(Config.COLOUR_NEXT_PLAYLIST))
+        # elif column == BITRATE:
+        #     if rowdata.bitrate:
+        #         if rowdata.bitrate < Config.BITRATE_LOW_THRESHOLD:
+        #             cell_colour = Config.COLOUR_BITRATE_LOW
+        #         elif rowdata.bitrate < Config.BITRATE_OK_THRESHOLD:
+        #             cell_colour = Config.COLOUR_BITRATE_MEDIUM
+        #         else:
+        #             cell_colour = Config.COLOUR_BITRATE_OK
+        #         return QVariant(QColor(cell_colour))
 
-            # Text colour, not currently used
-            return QVariant()
 
-            if not rowdata.played:
-                font = QFont()
-                font.setBold(True)
-                return QVariant(font)
+        # if not rowdata.played:
+        #     font = QFont()
+        #     font.setBold(True)
+        #     return QVariant(font)
 
-        return QVariant()
+        # return QVariant()
 
     def refresh_data(self):
         """Populate dicts for data calls"""
 
-
         # Populate self.playlist_rows with playlist data
         with Session() as session:
             for p in PlaylistRows.deep_rows(session, self.playlist_id):
diff --git a/app/playlists_v3.py b/app/playlists_v3.py
index 033680e..b082c81 100644
--- a/app/playlists_v3.py
+++ b/app/playlists_v3.py
@@ -136,7 +136,6 @@ class EscapeDelegate(QStyledItemDelegate):
 
 
 class PlaylistTab(QTableView):
-
     def __init__(
         self,
         musicmuster: "Window",