diff --git a/wobuzz/ui/library.py b/wobuzz/ui/library.py
new file mode 100644
index 0000000..ef6c1d9
--- /dev/null
+++ b/wobuzz/ui/library.py
@@ -0,0 +1,20 @@
+#!/usr/bin/python3
+
+from PyQt6.QtWidgets import QToolBox, QLabel
+
+
+class Library(QToolBox):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        label = QLabel()
+        self.addItem(label, "Playlists")
+        label = QLabel()
+        self.addItem(label, "Genres")
+        label = QLabel()
+        self.addItem(label, "Albums")
+        label = QLabel()
+        self.addItem(label, "Artists")
+        label = QLabel()
+        self.addItem(label, "Tracks")
+
diff --git a/wobuzz/ui/library_dock.py b/wobuzz/ui/library_dock.py
new file mode 100644
index 0000000..ab73324
--- /dev/null
+++ b/wobuzz/ui/library_dock.py
@@ -0,0 +1,13 @@
+#!/usr/bin/python3
+
+from PyQt6.QtWidgets import QDockWidget, QHBoxLayout
+from.library import Library
+
+
+class LibraryDock(QDockWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        self.library = Library(self)
+        self.setWidget(self.library)
+
diff --git a/wobuzz/ui/main_container.py b/wobuzz/ui/main_container.py
index f41f36b..87cdc6f 100644
--- a/wobuzz/ui/main_container.py
+++ b/wobuzz/ui/main_container.py
@@ -1,7 +1,8 @@
 #!/usr/bin/python3
 
-from PyQt6.QtWidgets import QWidget, QGridLayout
-from ui.track_control import TrackControl
+from PyQt6.QtWidgets import QWidget, QFrame, QGridLayout
+from .track_control import TrackControl
+from .library_dock import LibraryDock
 
 
 class MainContainer(QWidget):
@@ -9,9 +10,16 @@ class MainContainer(QWidget):
         super().__init__(parent)
 
         self.layout = QGridLayout()
+        self.setLayout(self.layout)
 
         self.track_control = TrackControl(self)
         self.layout.addWidget(self.track_control)
 
-        self.setLayout(self.layout)
+        self.track_control_separator_line = QFrame()
+        self.track_control_separator_line.setFrameShape(QFrame.Shape.HLine)
+        self.track_control_separator_line.setFrameShadow(QFrame.Shadow.Sunken)
+        self.layout.addWidget(self.track_control_separator_line)
+
+        self.library_dock = LibraryDock(self)
+        self.layout.addWidget(self.library_dock)