diff --git a/crates/tek/src/core/color.rs b/crates/tek/src/core/color.rs
index 0c96d043..93f086b6 100644
--- a/crates/tek/src/core/color.rs
+++ b/crates/tek/src/core/color.rs
@@ -50,41 +50,35 @@ impl ItemColor {
         self.okhsl.mix(other.okhsl, distance).into()
     }
 }
-impl From<Color> for ItemPalette {
-    fn from (base: Color) -> Self {
-        Self::from(ItemColor::from(base))
-    }
-}
-impl From<ItemColor> for ItemPalette {
-    fn from (base: ItemColor) -> Self {
-        let mut light      = base.okhsl.clone();
-        light.lightness    = (light.lightness    * 1.3).min(Okhsl::<f32>::max_lightness());
-        let mut lighter    = light.clone();
-        lighter.lightness  = (lighter.lightness  * 1.3).min(Okhsl::<f32>::max_lightness());
-        let mut lightest   = lighter.clone();
-        lightest.lightness = (lightest.lightness * 1.3).min(Okhsl::<f32>::max_lightness());
+from!(|base: Color|ItemPalette = Self::from(ItemColor::from(base)));
+from!(|base: ItemColor|ItemPalette = {
+    let mut light      = base.okhsl.clone();
+    light.lightness    = (light.lightness    * 1.3).min(Okhsl::<f32>::max_lightness());
+    let mut lighter    = light.clone();
+    lighter.lightness  = (lighter.lightness  * 1.3).min(Okhsl::<f32>::max_lightness());
+    let mut lightest   = lighter.clone();
+    lightest.lightness = (lightest.lightness * 1.3).min(Okhsl::<f32>::max_lightness());
 
-        let mut dark       = base.okhsl.clone();
-        dark.lightness     = (dark.lightness     * 0.75).max(Okhsl::<f32>::min_lightness());
-        dark.saturation    = (dark.saturation    * 0.75).max(Okhsl::<f32>::min_saturation());
-        let mut darker     = dark.clone();
-        darker.lightness   = (darker.lightness   * 0.66).max(Okhsl::<f32>::min_lightness());
-        darker.saturation  = (darker.saturation  * 0.66).max(Okhsl::<f32>::min_saturation());
-        let mut darkest    = darker.clone();
-        darkest.lightness  = (darkest.lightness  * 0.50).max(Okhsl::<f32>::min_lightness());
-        darkest.saturation = (darkest.saturation * 0.50).max(Okhsl::<f32>::min_saturation());
+    let mut dark       = base.okhsl.clone();
+    dark.lightness     = (dark.lightness     * 0.75).max(Okhsl::<f32>::min_lightness());
+    dark.saturation    = (dark.saturation    * 0.75).max(Okhsl::<f32>::min_saturation());
+    let mut darker     = dark.clone();
+    darker.lightness   = (darker.lightness   * 0.66).max(Okhsl::<f32>::min_lightness());
+    darker.saturation  = (darker.saturation  * 0.66).max(Okhsl::<f32>::min_saturation());
+    let mut darkest    = darker.clone();
+    darkest.lightness  = (darkest.lightness  * 0.50).max(Okhsl::<f32>::min_lightness());
+    darkest.saturation = (darkest.saturation * 0.50).max(Okhsl::<f32>::min_saturation());
 
-        Self {
-            base,
-            light:    light.into(),
-            lighter:  lighter.into(),
-            lightest: lightest.into(),
-            dark:     dark.into(),
-            darker:   darker.into(),
-            darkest:  darkest.into(),
-        }
+    Self {
+        base,
+        light:    light.into(),
+        lighter:  lighter.into(),
+        lightest: lightest.into(),
+        dark:     dark.into(),
+        darker:   darker.into(),
+        darkest:  darkest.into(),
     }
-}
+});
 impl ItemPalette {
     pub fn random () -> Self {
         ItemColor::random().into()
diff --git a/crates/tek/src/jack.rs b/crates/tek/src/jack.rs
index 44332681..0dd51dc1 100644
--- a/crates/tek/src/jack.rs
+++ b/crates/tek/src/jack.rs
@@ -1,10 +1,31 @@
-
-pub(crate) mod activate;   
+pub use ::jack as libjack;
+pub(crate) mod activate;   pub(crate) use self::activate::*;
 pub(crate) mod audio;      pub(crate) use self::audio::*;
 pub(crate) mod client;     pub(crate) use self::client::*;
-pub(crate) mod from_jack;  
 pub(crate) mod jack_event; pub(crate) use self::jack_event::*;
 pub(crate) mod ports;      pub(crate) use self::ports::*;
+pub(crate) use ::jack::{
+    contrib::ClosureProcessHandler,
+    Client, AsyncClient, ClientOptions, ClientStatus,
+    ProcessScope, Control, CycleTimes,
+    Port, PortId,
+    PortSpec, MidiIn, MidiOut, AudioIn, AudioOut, Unowned,
+    Transport, TransportState, MidiIter, RawMidi,
+    Frames,
+    NotificationHandler,
+};
+
+/// Implement [TryFrom<&Arc<RwLock<JackClient>>>]: create app state from wrapped JACK handle.
+#[macro_export] macro_rules! from_jack {
+    (|$jack:ident|$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)? $cb:expr) => {
+        impl $(<$($L),*$($T $(: $U)?),*>)? TryFrom<&Arc<RwLock<JackClient>>> for $Struct $(<$($L),*$($T),*>)? {
+            type Error = Box<dyn std::error::Error>;
+            fn try_from ($jack: &Arc<RwLock<JackClient>>) -> Usually<Self> {
+                Ok($cb)
+            }
+        }
+    };
+}
 
 ////////////////////////////////////////////////////////////////////////////////////
 
diff --git a/crates/tek/src/jack/client.rs b/crates/tek/src/jack/client.rs
index 046990bd..be18cb0f 100644
--- a/crates/tek/src/jack/client.rs
+++ b/crates/tek/src/jack/client.rs
@@ -1,5 +1,7 @@
 use crate::*;
-
+pub type DynamicAsyncClient = AsyncClient<DynamicNotifications, DynamicAudioHandler>;
+pub type DynamicAudioHandler = ClosureProcessHandler<(), BoxedAudioHandler>;
+pub type BoxedAudioHandler = Box<dyn FnMut(&Client, &ProcessScope) -> Control + Send>;
 /// Wraps [Client] or [DynamicAsyncClient] in place.
 #[derive(Debug)]
 pub enum JackClient {
@@ -10,7 +12,17 @@ pub enum JackClient {
     /// After activation. Must not be dropped for JACK thread to persist.
     Active(DynamicAsyncClient),
 }
-
+from!(|jack: JackClient|Client = match jack {
+    JackClient::Inactive(client) => client,
+    JackClient::Activating       => panic!("jack client still activating"),
+    JackClient::Active(_)        => panic!("jack client already activated"),
+});
+impl JackClient {
+    pub fn new (name: &str) -> Usually<Self> {
+        let (client, _) = Client::new(name, ClientOptions::NO_START_SERVER)?;
+        Ok(Self::Inactive(client))
+    }
+}
 impl AudioEngine for JackClient {
     fn client(&self) -> &Client {
         match self {
@@ -36,26 +48,3 @@ impl AudioEngine for JackClient {
         Ok(state)
     }
 }
-
-pub type DynamicAsyncClient = AsyncClient<DynamicNotifications, DynamicAudioHandler>;
-
-pub type DynamicAudioHandler = ClosureProcessHandler<(), BoxedAudioHandler>;
-
-pub type BoxedAudioHandler = Box<dyn FnMut(&Client, &ProcessScope) -> Control + Send>;
-
-impl JackClient {
-    pub fn new (name: &str) -> Usually<Self> {
-        let (client, _) = Client::new(name, ClientOptions::NO_START_SERVER)?;
-        Ok(Self::Inactive(client))
-    }
-}
-
-impl From<JackClient> for Client {
-    fn from (jack: JackClient) -> Client {
-        match jack {
-            JackClient::Inactive(client) => client,
-            JackClient::Activating       => panic!("jack client still activating"),
-            JackClient::Active(_)        => panic!("jack client already activated"),
-        }
-    }
-}
diff --git a/crates/tek/src/jack/from_jack.rs b/crates/tek/src/jack/from_jack.rs
deleted file mode 100644
index bdd1fd2e..00000000
--- a/crates/tek/src/jack/from_jack.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-
-
-/// Implement [TryFrom<&Arc<RwLock<JackClient>>>]: create app state from wrapped JACK handle.
-#[macro_export] macro_rules! from_jack {
-    (|$jack:ident|$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)? $cb:expr) => {
-        impl $(<$($L),*$($T $(: $U)?),*>)? TryFrom<&Arc<RwLock<JackClient>>> for $Struct $(<$($L),*$($T),*>)? {
-            type Error = Box<dyn std::error::Error>;
-            fn try_from ($jack: &Arc<RwLock<JackClient>>) -> Usually<Self> {
-                Ok($cb)
-            }
-        }
-    };
-}
diff --git a/crates/tek/src/lib.rs b/crates/tek/src/lib.rs
index a13ac2f9..4cf3080e 100644
--- a/crates/tek/src/lib.rs
+++ b/crates/tek/src/lib.rs
@@ -65,18 +65,6 @@ pub(crate) use ratatui::{
     backend::{Backend, CrosstermBackend, ClearType}
 };
 
-pub use ::jack as libjack;
-pub(crate) use ::jack::{
-    contrib::ClosureProcessHandler,
-    Client, AsyncClient, ClientOptions, ClientStatus,
-    ProcessScope, Control, CycleTimes,
-    Port, PortId,
-    PortSpec, MidiIn, MidiOut, AudioOut, Unowned,
-    Transport, TransportState, MidiIter, RawMidi,
-    Frames,
-    NotificationHandler,
-};
-
 pub use ::midly;
 pub(crate) use ::midly::{
     Smf,
diff --git a/crates/tek/src/time/clock.rs b/crates/tek/src/time/clock.rs
index 8636852a..e9c0d2d2 100644
--- a/crates/tek/src/time/clock.rs
+++ b/crates/tek/src/time/clock.rs
@@ -63,25 +63,23 @@ pub struct ClockModel {
     pub chunk:     Arc<AtomicUsize>,
 }
 
-impl From<&Arc<RwLock<JackClient>>> for ClockModel {
-    fn from (jack: &Arc<RwLock<JackClient>>) -> Self {
-        let jack      = jack.read().unwrap();
-        let chunk     = jack.client().buffer_size();
-        let transport = jack.client().transport();
-        let timebase  = Arc::new(Timebase::default());
-        Self {
-            quant:     Arc::new(24.into()),
-            sync:      Arc::new(384.into()),
-            transport: Arc::new(transport),
-            chunk:     Arc::new((chunk as usize).into()),
-            global:    Arc::new(Moment::zero(&timebase)),
-            playhead:  Arc::new(Moment::zero(&timebase)),
-            offset:    Arc::new(Moment::zero(&timebase)),
-            started:   RwLock::new(None).into(),
-            timebase,
-        }
+from!(|jack: &Arc<RwLock<JackClient>>| ClockModel = {
+    let jack      = jack.read().unwrap();
+    let chunk     = jack.client().buffer_size();
+    let transport = jack.client().transport();
+    let timebase  = Arc::new(Timebase::default());
+    Self {
+        quant:     Arc::new(24.into()),
+        sync:      Arc::new(384.into()),
+        transport: Arc::new(transport),
+        chunk:     Arc::new((chunk as usize).into()),
+        global:    Arc::new(Moment::zero(&timebase)),
+        playhead:  Arc::new(Moment::zero(&timebase)),
+        offset:    Arc::new(Moment::zero(&timebase)),
+        started:   RwLock::new(None).into(),
+        timebase,
     }
-}
+});
 
 impl std::fmt::Debug for ClockModel {
     fn fmt (&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
diff --git a/crates/tek/src/tui.rs b/crates/tek/src/tui.rs
index 787d40e2..9f231045 100644
--- a/crates/tek/src/tui.rs
+++ b/crates/tek/src/tui.rs
@@ -21,7 +21,7 @@ pub(crate) use tui_border::*;
 mod app_transport; pub(crate) use app_transport::*;
 mod app_sequencer; pub(crate) use app_sequencer::*;
 mod app_sampler;   pub(crate) use app_sampler::*;
-mod app_groovebox; 
+mod app_groovebox; pub(crate) use app_groovebox::*;
 mod app_arranger;  pub(crate) use app_arranger::*;
 
 ///////////////////////////////////////////////////////
diff --git a/crates/tek/src/tui/app_arranger.rs b/crates/tek/src/tui/app_arranger.rs
index 90fd03ea..470a1391 100644
--- a/crates/tek/src/tui/app_arranger.rs
+++ b/crates/tek/src/tui/app_arranger.rs
@@ -27,8 +27,8 @@ from_jack!(|jack| ArrangerTui {
     )));
     Self {
         clock,
-        phrases:   PhraseListModel::from(&phrase),
-        editor:    PhraseEditorModel::from(&phrase),
+        phrases:   (&phrase).into(),
+        editor:    (&phrase).into(),
         selected:  ArrangerSelection::Clip(0, 0),
         scenes:    vec![],
         tracks:    vec![],
@@ -282,13 +282,13 @@ fn any_size <E: Engine> (_: E::Size) -> Perhaps<E::Size>{
     Ok(Some([0.into(),0.into()].into()))
 }
 impl ArrangerTui {
-    fn selected (&self) -> ArrangerSelection {
+    pub fn selected (&self) -> ArrangerSelection {
         self.selected
     }
-    fn selected_mut (&mut self) -> &mut ArrangerSelection {
+    pub fn selected_mut (&mut self) -> &mut ArrangerSelection {
         &mut self.selected
     }
-    fn activate (&mut self) -> Usually<()> {
+    pub fn activate (&mut self) -> Usually<()> {
         if let ArrangerSelection::Scene(s) = self.selected {
             for (t, track) in self.tracks.iter_mut().enumerate() {
                 let phrase = self.scenes[s].clips[t].clone();
@@ -305,15 +305,15 @@ impl ArrangerTui {
         };
         Ok(())
     }
-    fn selected_phrase (&self) -> Option<Arc<RwLock<Phrase>>> {
+    pub fn selected_phrase (&self) -> Option<Arc<RwLock<Phrase>>> {
         self.selected_scene()?.clips.get(self.selected.track()?)?.clone()
     }
-    fn toggle_loop (&mut self) {
+    pub fn toggle_loop (&mut self) {
         if let Some(phrase) = self.selected_phrase() {
             phrase.write().unwrap().toggle_loop()
         }
     }
-    fn randomize_color (&mut self) {
+    pub fn randomize_color (&mut self) {
         match self.selected {
             ArrangerSelection::Mix        => {
                 self.color = ItemPalette::random()
diff --git a/crates/tek/src/tui/app_transport.rs b/crates/tek/src/tui/app_transport.rs
index 7b00645d..7c058152 100644
--- a/crates/tek/src/tui/app_transport.rs
+++ b/crates/tek/src/tui/app_transport.rs
@@ -9,14 +9,14 @@ pub struct TransportTui {
     pub clock:  ClockModel,
     pub size:   Measure<Tui>,
     pub cursor: (usize, usize),
-    pub focus:  FocusState<TransportFocus>,
+    pub focus:  TransportFocus,
 }
 from_jack!(|jack|TransportTui Self {
     jack:   jack.clone(),
     clock:  ClockModel::from(jack),
     size:   Measure::new(),
     cursor: (0, 0),
-    focus:  FocusState::Entered(TransportFocus::PlayPause)
+    focus:  TransportFocus::PlayPause
 });
 has_clock!(|self:TransportTui|&self.clock);
 audio!(|self:TransportTui,client,scope|ClockAudio(self).process(client, scope));
@@ -131,10 +131,10 @@ render!(<Tui>|self: PlayPause|Tui::bg(
 impl HasFocus for TransportTui {
     type Item = TransportFocus;
     fn focused (&self) -> Self::Item {
-        self.focus.inner()
+        self.focus
     }
     fn set_focused (&mut self, to: Self::Item) {
-        self.focus.set_inner(to)
+        self.focus = to
     }
 }
 
@@ -147,8 +147,6 @@ pub enum TransportFocus {
     Clock,
     Quant,
 }
-from!(|state: &TransportTui|Option<TransportTui> = Some(state.focus.inner()));
-
 impl FocusWrap<TransportFocus> for TransportFocus {
     fn wrap <'a, W: Render<Tui>> (self, focus: TransportFocus, content: &'a W)
         -> impl Render<Tui> + 'a
@@ -177,7 +175,7 @@ pub trait TransportControl<T>: HasClock + {
 
 impl TransportControl<TransportFocus> for TransportTui {
     fn transport_focused (&self) -> Option<TransportFocus> {
-        Some(self.focus.inner())
+        Some(self.focus)
     }
 }
 
diff --git a/crates/tek/src/tui/arranger_mode_v.rs b/crates/tek/src/tui/arranger_mode_v.rs
index 8056f3a2..d4980ece 100644
--- a/crates/tek/src/tui/arranger_mode_v.rs
+++ b/crates/tek/src/tui/arranger_mode_v.rs
@@ -48,11 +48,11 @@ pub struct ArrangerVCursor {
     header_h: u16,
 }
 from!(|args:(&ArrangerTui, usize)|ArrangerVCursor = Self {
-    cols:     track_widths(state.tracks()),
+    cols:     track_widths(args.0.tracks()),
     rows:     ArrangerScene::ppqs(args.0.scenes(), args.1),
     focused:  true,
-    selected: state.selected,
-    scenes_w: 3 + ArrangerScene::longest_name(state.scenes()) as u16,
+    selected: args.0.selected(),
+    scenes_w: 3 + ArrangerScene::longest_name(args.0.scenes()) as u16,
     header_h: 3,
 });
 render!(<Tui>|self: ArrangerVCursor|render(move|to: &mut TuiOutput|{
diff --git a/crates/tek/src/tui/phrase_editor.rs b/crates/tek/src/tui/phrase_editor.rs
index d78745e7..bcbaa652 100644
--- a/crates/tek/src/tui/phrase_editor.rs
+++ b/crates/tek/src/tui/phrase_editor.rs
@@ -207,22 +207,18 @@ impl PhraseEditorModel {
     }
 }
 
-impl From<&Arc<RwLock<Phrase>>> for PhraseEditorModel {
-    fn from (phrase: &Arc<RwLock<Phrase>>) -> Self {
-        let mut model = Self::from(Some(phrase.clone()));
-        model.redraw();
-        model
-    }
-}
+from!(|phrase: &Arc<RwLock<Phrase>>|PhraseEditorModel = {
+    let mut model = Self::from(Some(phrase.clone()));
+    model.redraw();
+    model
+});
 
-impl From<Option<Arc<RwLock<Phrase>>>> for PhraseEditorModel {
-    fn from (phrase: Option<Arc<RwLock<Phrase>>>) -> Self {
-        let mut model = Self::default();
-        *model.phrase_mut() = phrase;
-        model.redraw();
-        model
-    }
-}
+from!(|phrase: Option<Arc<RwLock<Phrase>>>|PhraseEditorModel = {
+    let mut model = Self::default();
+    *model.phrase_mut() = phrase;
+    model.redraw();
+    model
+});
 
 impl std::fmt::Debug for PhraseEditorModel {
     fn fmt (&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
diff --git a/crates/tek/src/tui/phrase_list.rs b/crates/tek/src/tui/phrase_list.rs
index f8b58e8f..5d211284 100644
--- a/crates/tek/src/tui/phrase_list.rs
+++ b/crates/tek/src/tui/phrase_list.rs
@@ -167,7 +167,7 @@ impl Default for PhraseListModel {
         }
     }
 }
-from!(|phrase:<&Arc<RwLock<Phrase>>>| PhraseListModel = {
+from!(|phrase:&Arc<RwLock<Phrase>>|PhraseListModel = {
     let mut model = Self::default();
     model.phrases.push(phrase.clone());
     model.phrase.store(1, Relaxed);
diff --git a/crates/tek/src/tui/tui_output.rs b/crates/tek/src/tui/tui_output.rs
index 6e4070c0..b346b535 100644
--- a/crates/tek/src/tui/tui_output.rs
+++ b/crates/tek/src/tui/tui_output.rs
@@ -91,11 +91,7 @@ impl BigBuffer {
     }
 }
 
-impl From<(usize, usize)> for BigBuffer { // cuteness overload
-    fn from ((width, height): (usize, usize)) -> Self {
-        Self::new(width, height)
-    }
-}
+from!(|size:(usize, usize)| BigBuffer = Self::new(size.0, size.1));
 
 pub fn buffer_update (buf: &mut Buffer, area: [u16;4], callback: &impl Fn(&mut Cell, u16, u16)) {
     for row in 0..area.h() {