diff --git a/crates/device/src/arranger/arranger_tracks.rs b/crates/device/src/arranger/arranger_tracks.rs
index 332a1aa8..794646a7 100644
--- a/crates/device/src/arranger/arranger_tracks.rs
+++ b/crates/device/src/arranger/arranger_tracks.rs
@@ -336,7 +336,7 @@ pub(crate) fn io_ports <'a, T: PortsSizes<'a>> (
     fg: Color, bg: Color, iter: impl Fn()->T + Send + Sync + 'a
 ) -> impl Content<TuiOut> + 'a {
     Map::new(iter, move|(
-        index, name, connections, y, y2
+        _index, name, connections, y, y2
     ): (usize, &'a Arc<str>, &'a [Connect], usize, usize), _|
         map_south(y as u16, (y2-y) as u16, Bsp::s(
             Fill::x(Tui::bold(true, Tui::fg_bg(fg, bg, Align::w(Bsp::e(" 󰣲 ", name))))),
@@ -349,11 +349,11 @@ pub(crate) fn io_conns <'a, T: PortsSizes<'a>> (
     fg: Color, bg: Color, iter: impl Fn()->T + Send + Sync + 'a
 ) -> impl Content<TuiOut> + 'a {
     Map::new(iter, move|(
-        index, name, connections, y, y2
+        _index, _name, connections, y, y2
     ): (usize, &'a Arc<str>, &'a [Connect], usize, usize), _|
         map_south(y as u16, (y2-y) as u16, Bsp::s(
             Fill::x(Tui::bold(true, wrap(bg, fg, Fill::x(Align::w("▞▞▞▞ ▞▞▞▞"))))),
-            Map::new(||connections.iter(), move|connect, index|map_south(index as u16, 1,
+            Map::new(||connections.iter(), move|_conn, index|map_south(index as u16, 1,
                 Fill::x(Align::w(Tui::bold(false, wrap(bg, fg, Fill::x(""))))))))))
 }
             //track_scroll:   Fill::x(Fixed::y(1, ScrollbarH {
diff --git a/crates/device/src/arranger/arranger_view.rs b/crates/device/src/arranger/arranger_view.rs
index 89fef966..1843f1de 100644
--- a/crates/device/src/arranger/arranger_view.rs
+++ b/crates/device/src/arranger/arranger_view.rs
@@ -1,18 +1,13 @@
 use crate::*;
 
 impl Arrangement {
-    pub fn view_inputs <'a> (&'a self, theme: ItemTheme) -> impl Content<TuiOut> + 'a {
-        let mut h = 1u16;
-        for track in self.tracks().iter() {
-            h = h.max(self.midi_ins.len() as u16);
-        }
-        let h = h + 1;
+    pub fn view_inputs <'a> (&'a self, _theme: ItemTheme) -> impl Content<TuiOut> + 'a {
         Stack::south(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
             add(&Fixed::y(1,
                 Bsp::e(Fixed::x(20, Align::w(button_3("i", "nput ", format!("{}", self.midi_ins.len()), false))),
                     Bsp::w(Fixed::x(4, button_2("I", "+", false)),
                         Stack::east(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                            for (index, track, x1, x2) in self.tracks_with_sizes() {
+                            for (_index, track, _x1, _x2) in self.tracks_with_sizes() {
                                 add(&Tui::bg(track.color.dark.rgb, Align::w(Fixed::x(track.width as u16, row!(
                                     Either(track.sequencer.monitoring, Tui::fg(Green, "mon "), "mon "),
                                     Either(track.sequencer.recording,  Tui::fg(Red, "rec "), "rec "),
@@ -20,13 +15,13 @@ impl Arrangement {
                                 )))))
                             }
                         })))));
-            for (index, port) in self.midi_ins().iter().enumerate() {
+            for (_index, port) in self.midi_ins().iter().enumerate() {
                 add(&Fixed::y(1, Bsp::e(
                     Fixed::x(20, Align::w(Bsp::e(" ● ",
                         Tui::bold(true, Tui::fg(Rgb(255,255,255), port.port_name()))))),
                     Bsp::w(Fixed::x(4, ()),
                         Stack::east(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                            for (index, track, x1, x2) in self.tracks_with_sizes() {
+                            for (_index, track, _x1, _x2) in self.tracks_with_sizes() {
                                 add(&Tui::bg(track.color.darker.rgb, Align::w(Fixed::x(track.width as u16, row!(
                                     Either(track.sequencer.monitoring, Tui::fg(Green,  " ●  "), " ·  "),
                                     Either(track.sequencer.recording,  Tui::fg(Red,    " ●  "), " ·  "),
@@ -46,7 +41,7 @@ impl Arrangement {
         let list = Bsp::s(
             Fixed::y(1, Fill::x(Align::w(button_3("o", "utput", format!("{}", self.midi_outs.len()), false)))),
             Fixed::y(h - 1, Fill::xy(Align::nw(Stack::south(|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                for (index, port) in self.midi_outs().iter().enumerate() {
+                for (_index, port) in self.midi_outs().iter().enumerate() {
                     add(&Fixed::y(1,Fill::x(Bsp::e(
                         Align::w(Bsp::e(" ● ", Tui::fg(Rgb(255,255,255),Tui::bold(true, port.port_name())))),
                         Fill::x(Align::e(format!("{}/{} ",
@@ -60,20 +55,19 @@ impl Arrangement {
         Fixed::y(h, self.view_track_row_section(theme, list, button_2("O", "+", false),
             Tui::bg(theme.darker.rgb, Align::w(Fill::x(
                 Stack::east(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                    for (index, track, x1, x2) in self.tracks_with_sizes() {
+                    for (index, track, _x1, _x2) in self.tracks_with_sizes() {
                         add(&Fixed::x(self.track_width(index, track),
                             Stack::south(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                                let index = 0;
                                 add(&Fixed::y(1, Align::w(Bsp::e(
                                     Either(true,  Tui::fg(Green,  "play "), "play "),
                                     Either(false, Tui::fg(Yellow, "solo "), "solo "),
                                 ))));
-                                for (index, port) in self.midi_outs().iter().enumerate() {
+                                for (_index, port) in self.midi_outs().iter().enumerate() {
                                     add(&Fixed::y(1, Align::w(Bsp::e(
                                         Either(true,  Tui::fg(Green,  " ●   "), " ·   "),
                                         Either(false, Tui::fg(Yellow, " ●   "), " ·   "),
                                     ))));
-                                    for (index, conn) in port.connections.iter().enumerate() {
+                                    for (_index, _conn) in port.connections.iter().enumerate() {
                                         add(&Fixed::y(1, Fill::x("")));
                                     }
                                 }})))}}))))))
@@ -88,10 +82,10 @@ impl Arrangement {
             button_3("d", "evice", format!("{}", self.track().map(|t|t.devices.len()).unwrap_or(0)), false),
             button_2("D", "+", false),
             Stack::east(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                for (index, track, x1, x2) in self.tracks_with_sizes() {
+                for (index, track, _x1, _x2) in self.tracks_with_sizes() {
                     add(&Fixed::xy(self.track_width(index, track), h + 1,
                         Tui::bg(track.color.dark.rgb, Align::nw(Map::south(2, move||0..h,
-                            |_, index|Fixed::xy(track.width as u16, 2,
+                            |_, _index|Fixed::xy(track.width as u16, 2,
                                 Tui::fg_bg(
                                     ItemTheme::G[32].lightest.rgb,
                                     ItemTheme::G[32].dark.rgb,
@@ -127,8 +121,8 @@ pub trait TracksView:
     }
     /// Iterate over tracks with their corresponding sizes.
     fn tracks_with_sizes (&self) -> impl TracksSizes<'_> {
-        let editor_width = self.editor().map(|e|e.width());
-        let active_track = self.selection().track();
+        let _editor_width = self.editor().map(|e|e.width());
+        let _active_track = self.selection().track();
         let mut x = 0;
         self.tracks().iter().enumerate().map_while(move |(index, track)|{
             let width = track.width.max(8);
@@ -143,7 +137,7 @@ pub trait TracksView:
     }
     fn view_track_row_section <'a> (
         &'a self,
-        theme:      ItemTheme,
+        _theme:     ItemTheme,
         button:     impl Content<TuiOut>,
         button_add: impl Content<TuiOut>,
         content:    impl Content<TuiOut>
@@ -177,7 +171,7 @@ pub trait TracksView:
             ),
             Tui::bg(theme.darker.rgb, Fixed::y(2, Fill::x(
                 Stack::east(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                    for (index, track, x1, x2) in self.tracks_with_sizes() {
+                    for (index, track, _x1, _x2) in self.tracks_with_sizes() {
                         add(&Fixed::x(self.track_width(index, track),
                             Tui::bg(if self.selection().track() == Some(index) {
                                 track.color.light.rgb
@@ -190,7 +184,7 @@ pub trait TracksView:
                     }
                 })))))
     }
-    fn view_track_outputs <'a> (&'a self, theme: ItemTheme, h: u16) -> impl Content<TuiOut> {
+    fn view_track_outputs <'a> (&'a self, theme: ItemTheme, _h: u16) -> impl Content<TuiOut> {
         self.view_track_row_section(theme,
             Bsp::s(
                 Fill::x(Align::w(button_2("o", "utput", false))),
@@ -202,7 +196,7 @@ pub trait TracksView:
             button_2("O", "+", false),
             Tui::bg(theme.darker.rgb, Align::w(Fill::x(
                 Stack::east(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                    for (index, track, x1, x2) in self.tracks_with_sizes() {
+                    for (index, track, _x1, _x2) in self.tracks_with_sizes() {
                         add(&Fixed::x(self.track_width(index, track),
                             Align::nw(Fill::y(Map::south(1, ||track.sequencer.midi_outs.iter(),
                                 |port, index|Tui::fg(Rgb(255, 255, 255),
@@ -222,7 +216,7 @@ pub trait TracksView:
             button_2("I", "+", false),
             Tui::bg(theme.darker.rgb, Align::w(Fill::x(
                 Stack::east(move|add: &mut dyn FnMut(&dyn Render<TuiOut>)|{
-                    for (index, track, x1, x2) in self.tracks_with_sizes() {
+                    for (index, track, _x1, _x2) in self.tracks_with_sizes() {
                         add(&Fixed::xy(self.track_width(index, track), h + 1,
                             Align::nw(Bsp::s(
                                 Tui::bg(track.color.base.rgb,
@@ -281,7 +275,7 @@ pub trait ScenesView:
         }))
     }
     fn view_scene_name (&self, index: usize, scene: &Scene) -> impl Content<TuiOut> {
-        let h = if self.selection().scene() == Some(index) && let Some(editor) = self.editor() {
+        let h = if self.selection().scene() == Some(index) && let Some(_editor) = self.editor() {
             7
         } else {
             Self::H_SCENE as u16
diff --git a/crates/device/src/browser.rs b/crates/device/src/browser.rs
index bba19e76..5a83e797 100644
--- a/crates/device/src/browser.rs
+++ b/crates/device/src/browser.rs
@@ -1,3 +1,3 @@
 mod browser_api;   pub use self::browser_api::*;
 mod browser_model; pub use self::browser_model::*;
-mod browser_view;  pub use self::browser_view::*;
+mod browser_view;  //pub use self::browser_view::*;
diff --git a/crates/device/src/browser/browser_view.rs b/crates/device/src/browser/browser_view.rs
index 45f42863..af84ba3a 100644
--- a/crates/device/src/browser/browser_view.rs
+++ b/crates/device/src/browser/browser_view.rs
@@ -5,7 +5,7 @@ content!(TuiOut: |self: Browser|Map::south(1, ||EntriesIterator {
     index:   0,
     length:  self.dirs.len() + self.files.len(),
     browser: self,
-}, |entry, index|Fill::x(Align::w(entry))));
+}, |entry, _index|Fill::x(Align::w(entry))));
 
 struct EntriesIterator<'a> {
     browser: &'a Browser,
diff --git a/crates/device/src/editor/editor_view.rs b/crates/device/src/editor/editor_view.rs
index c553cdfc..0a11c72c 100644
--- a/crates/device/src/editor/editor_view.rs
+++ b/crates/device/src/editor/editor_view.rs
@@ -9,7 +9,7 @@ content!(TuiOut: |self: MidiEditor| {
 impl MidiEditor {
 
     pub fn clip_status (&self) -> impl Content<TuiOut> + '_ {
-        let (color, name, length, looped) = if let Some(clip) = self.clip().as_ref().map(|p|p.read().unwrap()) {
+        let (_color, name, length, looped) = if let Some(clip) = self.clip().as_ref().map(|p|p.read().unwrap()) {
             (clip.color, clip.name.clone(), clip.length, clip.looped)
         } else { (ItemTheme::G[64], String::new().into(), 0, false) };
         Fixed::x(20, col!(
@@ -26,7 +26,7 @@ impl MidiEditor {
     }
 
     pub fn edit_status (&self) -> impl Content<TuiOut> + '_ {
-        let (color, length) = if let Some(clip) = self.clip().as_ref().map(|p|p.read().unwrap()) {
+        let (_color, length) = if let Some(clip) = self.clip().as_ref().map(|p|p.read().unwrap()) {
             (clip.color, clip.length)
         } else { (ItemTheme::G[64], 0) };
         let time_pos  = self.get_time_pos();
diff --git a/crates/device/src/lib.rs b/crates/device/src/lib.rs
index a12fea59..0ccf3724 100644
--- a/crates/device/src/lib.rs
+++ b/crates/device/src/lib.rs
@@ -14,10 +14,10 @@ pub(crate) use std::error::Error;
 pub(crate) use std::ffi::OsString;
 
 pub(crate) use ::tengri::{from, has, maybe_has, Usually, Perhaps, Has, MaybeHas};
-pub(crate) use ::tengri::{dsl::*, input::*, output::{*, Margin}, tui::{*, ratatui::prelude::*}};
+pub(crate) use ::tengri::{dsl::*, input::*, output::*, tui::{*, ratatui::prelude::*}};
 pub(crate) use ::tek_engine::*;
 pub(crate) use ::tek_engine::midi::{u7, LiveEvent, MidiMessage};
-pub(crate) use ::tek_engine::jack::{Control, ProcessScope, MidiWriter, RawMidi};
+pub(crate) use ::tek_engine::jack::{Control, ProcessScope, RawMidi};
 pub(crate) use ratatui::{prelude::Rect, widgets::{Widget, canvas::{Canvas, Line}}};
 pub(crate) use Color::*;
 
diff --git a/crates/device/src/pool/pool_model.rs b/crates/device/src/pool/pool_model.rs
index 4dc7a5f5..166c4cbe 100644
--- a/crates/device/src/pool/pool_model.rs
+++ b/crates/device/src/pool/pool_model.rs
@@ -18,7 +18,7 @@ pub struct Pool {
     //.flatten()));
 impl Default for Pool {
     fn default () -> Self {
-        use PoolMode::*;
+        //use PoolMode::*;
         Self {
             visible: true,
             clips:   Arc::from(RwLock::from(vec![])),
diff --git a/crates/device/src/pool/pool_view.rs b/crates/device/src/pool/pool_view.rs
index 39d868aa..481a7dd9 100644
--- a/crates/device/src/pool/pool_view.rs
+++ b/crates/device/src/pool/pool_view.rs
@@ -7,7 +7,7 @@ content!(TuiOut: |self: PoolView<'a>| {
     //let color  = self.1.clip().map(|c|c.read().unwrap().color).unwrap_or_else(||Tui::g(32).into());
     //let on_bg  = |x|x;//Bsp::b(Repeat(" "), Tui::bg(color.darkest.rgb, x));
     //let border = |x|x;//Outer(Style::default().fg(color.dark.rgb).bg(color.darkest.rgb)).enclose(x);
-    let height = pool.clips.read().unwrap().len() as u16;
+    //let height = pool.clips.read().unwrap().len() as u16;
     Fixed::x(20, Fill::y(Align::n(Map::new(
         ||pool.clips().clone().into_iter(),
         move|clip: Arc<RwLock<MidiClip>>, i: usize|{
diff --git a/crates/device/src/port/port_midi_in.rs b/crates/device/src/port/port_midi_in.rs
index 23c535c5..b92f0c95 100644
--- a/crates/device/src/port/port_midi_in.rs
+++ b/crates/device/src/port/port_midi_in.rs
@@ -84,7 +84,7 @@ pub trait HasMidiIns {
             .collect::<Vec<_>>()
     }
     fn midi_ins_with_sizes <'a> (&'a self) ->
-        impl Iterator<Item=(usize, &Arc<str>, &[Connect], usize, usize)> + Send + Sync + 'a
+        impl Iterator<Item=(usize, &'a Arc<str>, &'a [Connect], usize, usize)> + Send + Sync + 'a
     {
         let mut y = 0;
         self.midi_ins().iter().enumerate().map(move|(i, input)|{
diff --git a/crates/device/src/port/port_midi_out.rs b/crates/device/src/port/port_midi_out.rs
index b27978bb..d32cafef 100644
--- a/crates/device/src/port/port_midi_out.rs
+++ b/crates/device/src/port/port_midi_out.rs
@@ -119,7 +119,7 @@ pub trait HasMidiOuts {
     fn midi_outs (&self) -> &Vec<MidiOutput>;
     fn midi_outs_mut (&mut self) -> &mut Vec<MidiOutput>;
     fn midi_outs_with_sizes <'a> (&'a self) ->
-        impl Iterator<Item=(usize, &Arc<str>, &[Connect], usize, usize)> + Send + Sync + 'a
+        impl Iterator<Item=(usize, &'a Arc<str>, &'a [Connect], usize, usize)> + Send + Sync + 'a
     {
         let mut y = 0;
         self.midi_outs().iter().enumerate().map(move|(i, output)|{
diff --git a/crates/device/src/sampler/sampler_view.rs b/crates/device/src/sampler/sampler_view.rs
index ef17810a..90999e2c 100644
--- a/crates/device/src/sampler/sampler_view.rs
+++ b/crates/device/src/sampler/sampler_view.rs
@@ -7,8 +7,8 @@ impl Sampler {
         let cells_y     = 8u16;
         let cell_width  = 10u16;
         let cell_height = 2u16;
-        let width       = cells_x * cell_width;
-        let height      = cells_y * cell_height;
+        //let width       = cells_x * cell_width;
+        //let height      = cells_y * cell_height;
         let cols = Map::east(
             cell_width,
             move||0..cells_x,
@@ -205,8 +205,8 @@ fn draw_viewer (sample: Option<&Arc<RwLock<Sample>>>) -> impl Content<TuiOut> +
             Canvas::default()
                 .x_bounds([0.0, width  as f64])
                 .y_bounds([0.0, height as f64])
-                .paint(|ctx| {
-                    let text = "press record to begin sampling";
+                .paint(|_ctx| {
+                    //let text = "press record to begin sampling";
                     //ctx.print(
                         //(width - text.len() as u16) as f64 / 2.0,
                         //height as f64 / 2.0,
diff --git a/crates/engine/src/lib.rs b/crates/engine/src/lib.rs
index 4bbec40d..b0603952 100644
--- a/crates/engine/src/lib.rs
+++ b/crates/engine/src/lib.rs
@@ -93,7 +93,7 @@ pub(crate) use std::sync::{Arc, RwLock, atomic::{AtomicUsize, AtomicBool, Orderi
 pub(crate) use std::fmt::Debug;
 pub(crate) use std::ops::{Add, Sub, Mul, Div, Rem};
 
-pub(crate) use ::tengri::{from, Usually, tui::*, dsl::*};
+pub(crate) use ::tengri::{from, Usually};
 
 pub use ::atomic_float; pub(crate) use atomic_float::*;
 
diff --git a/crates/engine/src/midi.rs b/crates/engine/src/midi.rs
index 62b132b7..55835404 100644
--- a/crates/engine/src/midi.rs
+++ b/crates/engine/src/midi.rs
@@ -1,5 +1,3 @@
-use crate::*;
-
 pub use ::midly::{
     Smf,
     TrackEventKind,