diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..2d42e20
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,7 @@
+from ui.app import AppUI
+
+
+if __name__ == "__main__":
+    # start the ui
+    app = AppUI()
+    app.run()
\ No newline at end of file
diff --git a/src/ui/app.py b/src/ui/app.py
new file mode 100644
index 0000000..122fcd9
--- /dev/null
+++ b/src/ui/app.py
@@ -0,0 +1,12 @@
+from textual.app import App, ComposeResult
+from textual.widgets import Footer
+
+from ui.widgets.sidebar import Sidebar
+from ui.widgets.timeline import Timeline
+
+
+class AppUI(App):    
+    def compose(self) -> ComposeResult:
+        yield Sidebar()
+        yield Timeline()
+        yield Footer()
\ No newline at end of file
diff --git a/src/ui/widgets/channel.py b/src/ui/widgets/channel.py
new file mode 100644
index 0000000..ef75094
--- /dev/null
+++ b/src/ui/widgets/channel.py
@@ -0,0 +1,68 @@
+from textual.containers import VerticalGroup, Horizontal
+from textual.app import ComposeResult
+from textual.widgets import Checkbox, Input, Static
+
+from textual_slider import Slider
+
+
+class Channel(VerticalGroup):
+    DEFAULT_CSS = """
+    Channel {
+        height: 8;
+        border: tall $surface-lighten-1;
+        background: $surface-darken-1;
+        padding: 0 1;
+        margin-bottom: 1;
+        
+        #name {
+            padding: 0 1;
+            margin-bottom: 1;
+        }
+        
+        Checkbox {
+            margin-right: 1;
+        }
+        
+        .channel-slider {
+            height: 1;
+            Static {
+                width: 50%;
+                margin-right: 1;
+            }
+            
+            Slider {
+                width: 45%;
+                border: none;
+                max-height: 1;
+            }
+            
+        }
+        
+        #channel-buttons {
+            margin-top: 1;
+        }
+    }
+    """
+    
+    def __init__(self, channel_name: str = "", muted: bool = False, solo: bool = False, pan: float = 0, volume: float = 0):
+        super().__init__()
+        self.channel_name = channel_name
+        self.muted = muted
+        self.solo = solo
+        self.pan = pan
+        self.volume = volume
+    
+    def compose(self) -> ComposeResult:
+        yield Input(placeholder="Channel Name", compact=True, id="name", value=self.channel_name)
+        
+        with Horizontal(classes="channel-slider"):
+            yield Static("Pan (center):")
+            yield Slider(-100, 100, step=1, value=self.pan)
+        with Horizontal(classes="channel-slider"):
+            yield Static("Volume (+ 0Db):")
+            yield Slider(-15, 15, step=0.1, value=self.volume)
+        
+        with Horizontal(id="channel-buttons"):
+            yield Checkbox("Mute", compact=True, id="mute", tooltip="Mute this track", value=self.muted)
+            yield Checkbox("Solo", compact=True, id="solo", tooltip="Hear only this track", value=self.solo)
+            
\ No newline at end of file
diff --git a/src/ui/widgets/sidebar.py b/src/ui/widgets/sidebar.py
new file mode 100644
index 0000000..a74974a
--- /dev/null
+++ b/src/ui/widgets/sidebar.py
@@ -0,0 +1,28 @@
+from textual.containers import Vertical, VerticalScroll, Horizontal
+from textual.widgets import Button, ListView
+from textual.app import ComposeResult
+
+from ui.widgets.channel import Channel
+
+
+class Sidebar(Vertical):
+    DEFAULT_CSS = """
+    Sidebar {
+        dock: left;
+        background: $surface;
+        width: 40;
+        border-right: tall $surface-lighten-1;
+        padding: 1;
+        
+        #add-channel {
+            min-width: 100%;
+            margin: 1
+        }
+    }
+    """
+    
+    def compose(self) -> ComposeResult:
+        with VerticalScroll(id="channels"):
+            yield Channel()
+            yield Channel()
+            yield Button("+ New Channel", variant="success", id="add-channel")
\ No newline at end of file
diff --git a/src/ui/widgets/timeline.py b/src/ui/widgets/timeline.py
new file mode 100644
index 0000000..7cb47b7
--- /dev/null
+++ b/src/ui/widgets/timeline.py
@@ -0,0 +1,27 @@
+from textual.containers import VerticalScroll, Horizontal
+from textual.app import ComposeResult
+
+
+class TimelineRow(Horizontal):
+    DEFAULT_CSS = """
+    TimelineRow {
+        background: $surface-lighten-1;
+        height: 8;
+        margin-bottom: 1;
+    }
+    """
+    
+    def compose(self) -> ComposeResult:
+        yield from ()
+
+class Timeline(VerticalScroll):
+    DEFAULT_CSS = """
+    Timeline {
+        padding: 1 0;
+        hatch: "-" $surface-lighten-1;
+    }
+    """
+    
+    def compose(self) -> ComposeResult:
+        yield TimelineRow()
+        yield TimelineRow()
\ No newline at end of file