diff --git a/crates/edn/src/lib.rs b/crates/edn/src/lib.rs
index 28b2d67b..a764bfbc 100644
--- a/crates/edn/src/lib.rs
+++ b/crates/edn/src/lib.rs
@@ -1,4 +1,4 @@
-use tek::{*, jack::*};
+use tek::{*, jack::*, plugin::*, audio::*};
 use std::sync::{Arc, RwLock};
 use std::collections::BTreeMap;
 
diff --git a/crates/tek/src/audio.rs b/crates/tek/src/audio.rs
index 24900710..650bb769 100644
--- a/crates/tek/src/audio.rs
+++ b/crates/tek/src/audio.rs
@@ -5,5 +5,9 @@ mod audio_in;
 mod audio_out; 
 
 mod sampler;
-pub(crate) use sampler::*;
+pub(crate) use self::sampler::*;
 pub use self::sampler::{Sampler, Sample, Voice};
+
+mod mixer;
+pub(crate) use self::mixer::*;
+pub use self::mixer::{Mixer, MixerTrack, MixerTrackDevice};
diff --git a/crates/tek/src/audio/channel.rs b/crates/tek/src/audio/channel.rs
deleted file mode 100644
index b850147a..00000000
--- a/crates/tek/src/audio/channel.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-use crate::*;
-
-pub enum MixerTrackCommand {}
-
-/// A mixer track.
-#[derive(Debug)]
-pub struct MixerTrack {
-    pub name:    String,
-    /// Inputs of 1st device
-    pub audio_ins: Vec<Port<AudioIn>>,
-    /// Outputs of last device
-    pub audio_outs: Vec<Port<AudioOut>>,
-    /// Device chain
-    pub devices: Vec<Box<dyn MixerTrackDevice>>,
-}
-
-//impl MixerTrackDevice for LV2Plugin {}
-
-pub trait MixerTrackDevice: Debug + Send + Sync {
-    fn boxed (self) -> Box<dyn MixerTrackDevice> where Self: Sized + 'static {
-        Box::new(self)
-    }
-}
-
-impl MixerTrackDevice for Sampler {}
-
-impl MixerTrackDevice for Plugin {}
diff --git a/crates/tek/src/audio/mixer.rs b/crates/tek/src/audio/mixer.rs
index a0ac9366..0ec986c9 100644
--- a/crates/tek/src/audio/mixer.rs
+++ b/crates/tek/src/audio/mixer.rs
@@ -8,8 +8,30 @@ pub struct Mixer {
     pub selected_track:  usize,
     pub selected_column: usize,
 }
-pub struct MixerAudio {
-    model: Arc<RwLock<Mixer>>
+audio!(|self: Mixer, _client, _scope|Control::Continue);
+
+pub enum MixerTrackCommand {}
+
+/// A mixer track.
+#[derive(Debug)]
+pub struct MixerTrack {
+    pub name:    String,
+    /// Inputs of 1st device
+    pub audio_ins: Vec<Port<AudioIn>>,
+    /// Outputs of last device
+    pub audio_outs: Vec<Port<AudioOut>>,
+    /// Device chain
+    pub devices: Vec<Box<dyn MixerTrackDevice>>,
 }
-from!(|mode: &Arc<RwLock<Mixer>>| MixerAudio = Self { model: model.clone() });
-audio!(|self: MixerAudio, _, _|Control::Continue);
+
+//impl MixerTrackDevice for LV2Plugin {}
+
+pub trait MixerTrackDevice: Debug + Send + Sync {
+    fn boxed (self) -> Box<dyn MixerTrackDevice> where Self: Sized + 'static {
+        Box::new(self)
+    }
+}
+
+impl MixerTrackDevice for Sampler {}
+
+impl MixerTrackDevice for Plugin {}
diff --git a/crates/tek/src/lib.rs b/crates/tek/src/lib.rs
index d25ba66c..34c1f2cb 100644
--- a/crates/tek/src/lib.rs
+++ b/crates/tek/src/lib.rs
@@ -2,30 +2,27 @@
 #![allow(clippy::unit_arg)]
 
 pub mod core;  pub use self::core::*;
+
 pub mod time;  pub(crate) use self::time::*;
+
 pub mod space; pub(crate) use self::space::*;
 
-pub mod tui;   pub(crate) use self::tui::*;
-pub use tui::{Tui, TransportTui, SequencerTui, SamplerTui, GrooveboxTui, ArrangerTui};
+pub mod tui; pub(crate) use self::tui::*; pub use tui::*;
 
-pub mod jack;  pub(crate) use self::jack::*;
-pub use jack::JackClient;
+pub mod jack; pub(crate) use self::jack::*; pub use self::jack::*;
 
-pub mod midi;  pub(crate) use self::midi::*;
+pub mod midi; pub(crate) use self::midi::*;
 
-pub mod audio; pub(crate) use self::audio::*;
-pub use audio::{Sampler, Sample, Voice};
+pub mod audio; pub(crate) use self::audio::*; pub use self::audio::*;
 
-//pub mod plugin; pub(crate) use self::plugin::*;
+pub mod plugin; pub(crate) use self::plugin::*; pub use self::plugin::*;
 
-pub use ::better_panic;
-pub(crate) use better_panic::{Settings, Verbosity};
+pub use ::better_panic; pub(crate) use better_panic::{Settings, Verbosity};
 
-pub use ::atomic_float;
-pub(crate) use atomic_float::*;
+pub use ::atomic_float; pub(crate) use atomic_float::*;
 
 pub(crate) use std::sync::{Arc, Mutex, RwLock};
-#[allow(unused)] pub(crate) use std::sync::atomic::Ordering;
+pub(crate) use std::sync::atomic::Ordering;
 pub(crate) use std::sync::atomic::{AtomicBool, AtomicUsize};
 pub(crate) use std::collections::BTreeMap;
 pub(crate) use std::marker::PhantomData;
@@ -36,30 +33,27 @@ pub(crate) use std::time::Duration;
 pub(crate) use std::io::{Stdout, stdout};
 pub(crate) use std::ops::{Add, Sub, Mul, Div, Rem};
 pub(crate) use std::cmp::{Ord, Eq, PartialEq};
-pub(crate) use std::fmt::{Debug, Display};
+pub(crate) use std::fmt::{Debug, Display, Formatter};
 
 pub use ::crossterm;
 pub(crate) use crossterm::{ExecutableCommand};
 pub(crate) use crossterm::terminal::{EnterAlternateScreen, LeaveAlternateScreen, enable_raw_mode, disable_raw_mode};
 pub(crate) use crossterm::event::{KeyCode, KeyModifiers, KeyEvent, KeyEventKind, KeyEventState};
 
-pub use ::ratatui;
-pub(crate) use ratatui::{
+pub use ::ratatui; pub(crate) use ratatui::{
     prelude::{Style, Color, Buffer},
     style::{Stylize, Modifier},
     backend::{Backend, CrosstermBackend, ClearType}
 };
 
-pub use ::midly::{self, num::u7};
-pub(crate) use ::midly::{
+pub use ::midly::{self, num::u7}; pub(crate) use ::midly::{
     Smf,
     MidiMessage,
     TrackEventKind,
     live::LiveEvent,
 };
 
-pub use ::palette;
-pub(crate) use ::palette::{
+pub use ::palette; pub(crate) use ::palette::{
     *,
     convert::*,
     okhsl::*
diff --git a/crates/tek/src/plugin.rs b/crates/tek/src/plugin.rs
index efbe4cd0..9f347709 100644
--- a/crates/tek/src/plugin.rs
+++ b/crates/tek/src/plugin.rs
@@ -1,6 +1,8 @@
-pub(crate) mod lv2; pub(crate) use lv2::*;
 use crate::*;
 
+pub mod lv2; pub(crate) use lv2::*;
+pub use self::lv2::LV2Plugin;
+
 /// A plugin device.
 #[derive(Debug)]
 pub struct Plugin {
@@ -22,12 +24,12 @@ pub struct Plugin {
 pub enum PluginKind {
     #[default] None,
     LV2(LV2Plugin),
-    VST2 { instance: ::vst::host::PluginInstance },
+    VST2 { instance: () /*::vst::host::PluginInstance*/ },
     VST3,
 }
 
 impl Debug for PluginKind {
-    fn fmt (&self, f: &mut Formatter<'_>) -> std::result::Result<(), Error> {
+    fn fmt (&self, f: &mut Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
         write!(f, "{}", match self {
             Self::None     => "(none)",
             Self::LV2(_)   => "LV2",
@@ -77,7 +79,7 @@ impl Plugin {
 
 pub struct PluginAudio(Arc<RwLock<Plugin>>);
 from!(|model: &Arc<RwLock<Plugin>>| PluginAudio = Self(model.clone()));
-audio!(|self: PluginAudio, client_, _scope|{
+audio!(|self: PluginAudio, client, scope|{
     let state = &mut*self.0.write().unwrap();
     match state.plugin.as_mut() {
         Some(PluginKind::LV2(LV2Plugin {