diff --git a/crates/tek_core/examples/demo.rs b/crates/tek_core/examples/demo.rs
index 37d7d1d2..6d81dede 100644
--- a/crates/tek_core/examples/demo.rs
+++ b/crates/tek_core/examples/demo.rs
@@ -38,24 +38,24 @@ impl Content for Demo<Tui> {
     fn content (&self) -> impl Widget<Engine = Tui> {
         Align::Center(Layers::new(|add|{
 
-            add(&FillBg(Color::Rgb(0,128,128)))?;
+            add(&Background(Color::Rgb(0,128,128)))?;
 
             add(&Outset::XY(1, 1, Split::down(|add|{
 
                 add(&Layers::new(|add|{
-                    add(&FillBg(Color::Rgb(255,255,0)))?;
+                    add(&Background(Color::Rgb(255,255,0)))?;
                     add(&Outset::XY(2, 1, "..."))?;
                     Ok(())
                 }))?;
 
                 add(&Layers::new(|add|{
-                    add(&FillBg(Color::Rgb(255,128,0)))?;
+                    add(&Background(Color::Rgb(255,128,0)))?;
                     add(&Outset::XY(4, 2, "---"))?;
                     Ok(())
                 }))?;
 
                 add(&Layers::new(|add|{
-                    add(&FillBg(Color::Rgb(128,128,0)))?;
+                    add(&Background(Color::Rgb(128,128,0)))?;
                     add(&Outset::XY(6, 3, "~~~"))?;
                     Ok(())
                 }))?;
@@ -67,33 +67,33 @@ impl Content for Demo<Tui> {
 
         }))
         //Align::Center(Outset::X(1, Layers::new(|add|{
-            //add(&FillBg(Color::Rgb(128,0,0)))?;
+            //add(&Background(Color::Rgb(128,0,0)))?;
             //add(&Split::down(|add|{
                 //add(&Outset::Y(1, Layers::new(|add|{
-                    //add(&FillBg(Color::Rgb(0,128,0)))?;
+                    //add(&Background(Color::Rgb(0,128,0)))?;
                     //add(&Align::Center("12345"))?;
                     //add(&Align::Center("FOO"))
                 //})))?;
                 //add(&Outset::XY(1, 1, Layers::new(|add|{
                     //add(&Align::Center("1234567"))?;
                     //add(&Align::Center("BAR"))?;
-                    //add(&FillBg(Color::Rgb(0,0,128)))
+                    //add(&Background(Color::Rgb(0,0,128)))
                 //})))
             //}))
         //})))
 
         //Align::Y(Layers::new(|add|{
-            //add(&FillBg(Color::Rgb(128,0,0)))?;
+            //add(&Background(Color::Rgb(128,0,0)))?;
             //add(&Outset::X(1, Align::Center(Split::down(|add|{
                 //add(&Align::X(Outset::Y(1, Layers::new(|add|{
-                    //add(&FillBg(Color::Rgb(0,128,0)))?;
+                    //add(&Background(Color::Rgb(0,128,0)))?;
                     //add(&Align::Center("12345"))?;
                     //add(&Align::Center("FOO"))
                 //})))?;
                 //add(&Outset::XY(1, 1, Layers::new(|add|{
                     //add(&Align::Center("1234567"))?;
                     //add(&Align::Center("BAR"))?;
-                    //add(&FillBg(Color::Rgb(0,0,128)))
+                    //add(&Background(Color::Rgb(0,0,128)))
                 //})))?;
                 //Ok(())
             //})))))
diff --git a/crates/tek_core/src/test.rs b/crates/tek_core/src/test.rs
index a6b6d144..5c77f7d2 100644
--- a/crates/tek_core/src/test.rs
+++ b/crates/tek_core/src/test.rs
@@ -137,17 +137,17 @@ fn test_0 () -> Usually<()> {
         //Some([46, 48, 5, 6]));
     //assert_eq!(Align::Center(Split::down(|add|{
         //add(&Layers::new(|add|{
-            ////add(&Outset::XY(1, 1, FillBg(Color::Rgb(0,128,0))))?;
+            ////add(&Outset::XY(1, 1, Background(Color::Rgb(0,128,0))))?;
             //add(&Outset::XY(1, 1, "1"))?;
             //add(&Outset::XY(1, 1, "333"))?;
-            ////add(&FillBg(Color::Rgb(0,128,0)))?;
+            ////add(&Background(Color::Rgb(0,128,0)))?;
             //Ok(())
         //}))?;
         //add(&Layers::new(|add|{
-            ////add(&Outset::XY(1, 1, FillBg(Color::Rgb(0,0,128))))?;
+            ////add(&Outset::XY(1, 1, Background(Color::Rgb(0,0,128))))?;
             //add(&Outset::XY(1, 1, "555"))?;
             //add(&Outset::XY(1, 1, "777777"))?;
-            ////add(&FillBg(Color::Rgb(0,0,128)))?;
+            ////add(&Background(Color::Rgb(0,0,128)))?;
             //Ok(())
         //}))
     //})).layout(area)?,
diff --git a/crates/tek_core/src/tui.rs b/crates/tek_core/src/tui.rs
index 4a6ade8b..01e82bc7 100644
--- a/crates/tek_core/src/tui.rs
+++ b/crates/tek_core/src/tui.rs
@@ -290,9 +290,9 @@ impl Widget for Styled<&str> {
     }
 }
 
-pub struct FillBg(pub Color);
+pub struct Background(pub Color);
 
-impl Widget for FillBg {
+impl Widget for Background {
     type Engine = Tui;
     fn layout (&self, [x,y,_,_]: [u16;4]) -> Perhaps<[u16;4]> {
         Ok(Some([x,y,0,0]))
diff --git a/crates/tek_sequencer/src/arranger.rs b/crates/tek_sequencer/src/arranger.rs
index 2c342f18..f2ad46f7 100644
--- a/crates/tek_sequencer/src/arranger.rs
+++ b/crates/tek_sequencer/src/arranger.rs
@@ -375,7 +375,7 @@ impl<'a, 'b> Content for ArrangerViewVertical<'a, 'b, Tui> {
         let scenes = state.scenes.as_ref();
         let offset = 3 + scene_name_max_len(scenes) as u16;
         Layers::new(move |add|{
-            //.add_ref(&FillBg(Color::Rgb(30, 33, 36)))//COLOR_BG1))//bg_lo(state.focused, state.entered)))
+            //.add_ref(&Background(Color::Rgb(30, 33, 36)))//COLOR_BG1))//bg_lo(state.focused, state.entered)))
             add(&ColumnSeparators(offset, cols))?;
             add(&RowSeparators(rows))?;
             add(&CursorFocus(state.selected, offset, cols, rows))?;
@@ -507,7 +507,7 @@ impl<'a> Content for TracksHeader<'a> {
         Split::right(move |add|{
             for (track, (w, _)) in tracks.iter().zip(columns) {
                 add(&Min::X(*w as u16, Layers::new(|add|{
-                    add(&FillBg(COLOR_BG1))?;
+                    add(&Background(COLOR_BG1))?;
                     add(&track.name.read().unwrap().as_str())
                 })))?;
             }
@@ -550,7 +550,7 @@ impl<'a> Content for SceneRow<'a> {
                     add(&if playing { "▶" } else { " " })?;
                     add(&scene.name.read().unwrap().as_str())
                 }))?;
-                add(&FillBg(COLOR_BG1))
+                add(&Background(COLOR_BG1))
             }))?;
             for (track, (_w, _x)) in columns.iter().enumerate() {
                 add(&SceneClip(tracks.get(track), scene.clips.get(track)))?;
@@ -577,7 +577,7 @@ impl<'a> Content for SceneClip<'a> {
                     color = if track.sequence == Some(*clip) { Nord::PLAYING } else { COLOR_BG1 };
                 }
             }
-            add(&FillBg(color))
+            add(&Background(color))
         })
     }
 }
@@ -594,7 +594,7 @@ impl<'a> Content for ArrangerViewHorizontal<'a, Tui> {
         let Arranger { tracks, focused, selected, scenes, .. } = self.0;
         let tracks = tracks.as_slice();
         Layers::new(|add|{
-            add(&focused.then_some(FillBg(COLOR_BG0)))?;
+            add(&focused.then_some(Background(COLOR_BG0)))?;
             add(&Split::right(|add|{
                 add(&TrackNameColumn(tracks, *selected))?;
                 add(&TrackMonitorColumn(tracks))?;