diff --git a/crates/tek_sequencer/src/arranger.rs b/crates/tek_sequencer/src/arranger.rs
index 8ef229af..b2c8c6db 100644
--- a/crates/tek_sequencer/src/arranger.rs
+++ b/crates/tek_sequencer/src/arranger.rs
@@ -2,6 +2,8 @@ use crate::*;
 
 /// Root level object for standalone `tek_arranger`
 pub struct Arranger<E: Engine> {
+    /// JACK client handle (needs to not be dropped for standalone mode to work).
+    pub jack:              Option<Arc<JackClient>>,
     /// Which view is focused
     pub focus_cursor:      (usize, usize),
     /// Controls the JACK transport.
@@ -121,7 +123,8 @@ impl<E: Engine> Arranger<E> {
         phrases:     Arc<RwLock<PhrasePool<E>>>,
     ) -> Self {
         let mut app = Self {
-            focus_cursor:  (0, 1),
+            jack:              None,
+            focus_cursor:      (0, 1),
             phrases_split:     20,
             arrangement_split: 21,
             editor: PhraseEditor::new(),
diff --git a/crates/tek_sequencer/src/arranger_cli.rs b/crates/tek_sequencer/src/arranger_cli.rs
index 2703fc6b..f3ac2798 100644
--- a/crates/tek_sequencer/src/arranger_cli.rs
+++ b/crates/tek_sequencer/src/arranger_cli.rs
@@ -44,19 +44,26 @@ impl ArrangerCli {
                 Some(okhsl_to_rgb(scene_color_1.mix(scene_color_2, i as f32 / self.scenes as f32)))
             )?;
         }
-        transport.write().unwrap().jack = Some(
-            jack.activate(
-                &transport.clone(),
-                |state: &Arc<RwLock<TransportToolbar<Tui>>>, client, scope| {
-                    state.write().unwrap().process(client, scope)
-                }
-            )?.into()
-        );
-        Tui::run(Arc::new(RwLock::new(Arranger::new(
+        let arranger = Arc::new(RwLock::new(Arranger::new(
             self.transport.then_some(transport),
             arrangement,
             phrases,
-        ))))?;
+        )));
+        let jack = jack.activate(&arranger.clone(), arranger_jack_callback)?;
+        let jack = Some(jack.into());
+        if let Some(ref transport) = arranger.read().unwrap().transport {
+            transport.write().unwrap().jack = jack.clone();
+        }
+        arranger.write().unwrap().jack = jack.clone();
+        Tui::run(arranger)?;
         Ok(())
     }
 }
+
+fn arranger_jack_callback (
+    state:  &Arc<RwLock<Arranger<Tui>>>,
+    client: &Client,
+    scope:  &ProcessScope,
+) -> Control {
+    state.write().unwrap().process(client, scope)
+}
diff --git a/crates/tek_sequencer/src/arranger_snd.rs b/crates/tek_sequencer/src/arranger_snd.rs
new file mode 100644
index 00000000..c5ba2457
--- /dev/null
+++ b/crates/tek_sequencer/src/arranger_snd.rs
@@ -0,0 +1,9 @@
+use crate::*;
+impl<E: Engine> Audio for Arranger<E> {
+    fn process (&mut self, client: &Client, scope: &ProcessScope) -> Control {
+        if let Some(ref transport) = self.transport {
+            transport.write().unwrap().process(client, scope);
+        }
+        todo!("arranger process")
+    }
+}
diff --git a/crates/tek_sequencer/src/lib.rs b/crates/tek_sequencer/src/lib.rs
index 8f000956..ccbc4007 100644
--- a/crates/tek_sequencer/src/lib.rs
+++ b/crates/tek_sequencer/src/lib.rs
@@ -10,7 +10,7 @@ pub(crate) use palette::{*, convert::*, okhsl::*};
 use rand::distributions::uniform::UniformSampler;
 
 submod! {
-    arranger  arranger_cmd  arranger_tui 
+    arranger  arranger_cmd  arranger_tui  arranger_snd
     sequencer sequencer_cmd sequencer_tui sequencer_snd
     transport transport_cmd transport_tui transport_snd
 }
diff --git a/crates/tek_sequencer/src/sequencer.rs b/crates/tek_sequencer/src/sequencer.rs
index b678fe38..fe2bbba7 100644
--- a/crates/tek_sequencer/src/sequencer.rs
+++ b/crates/tek_sequencer/src/sequencer.rs
@@ -7,6 +7,8 @@ pub type PhraseMessage = Vec<u8>;
 pub type PhraseChunk   = [Vec<PhraseMessage>];
 /// Root level object for standalone `tek_sequencer`
 pub struct Sequencer<E: Engine> {
+    /// JACK client handle (needs to not be dropped for standalone mode to work).
+    pub jack:         Option<Arc<JackClient>>,
     /// Which view is focused
     pub focus_cursor: (usize, usize),
     /// Controls the JACK transport.
diff --git a/crates/tek_sequencer/src/sequencer_cli.rs b/crates/tek_sequencer/src/sequencer_cli.rs
index 53b31058..45f47ea3 100644
--- a/crates/tek_sequencer/src/sequencer_cli.rs
+++ b/crates/tek_sequencer/src/sequencer_cli.rs
@@ -18,34 +18,41 @@ pub struct SequencerCli {
 
 impl SequencerCli {
     fn run (&self) -> Usually<()> {
-        let jack      = Client::new("tek_arranger", ClientOptions::NO_START_SERVER)?.0;
-        let jack      = JackClient::Inactive(jack);
+        let jack = Client::new("tek_arranger", ClientOptions::NO_START_SERVER)?.0;
+        let jack = JackClient::Inactive(jack);
         let transport = Arc::new(RwLock::new(TransportToolbar::new(None, Some(jack.transport()))));
-        transport.write().unwrap().jack = Some(
-            jack.activate(
-                &transport.clone(),
-                |state: &Arc<RwLock<TransportToolbar<Tui>>>, client, scope| {
-                    state.write().unwrap().process(client, scope)
-                }
-            )?.into()
-        );
         let focus_cursor = (1, 1);
         let clock        = transport.read().unwrap().clock.clone();
         let transport    = self.transport.then_some(transport);
         let editor       = PhraseEditor::new();
         let phrases      = Arc::new(RwLock::new(PhrasePool::new()));
-        let seq          = Sequencer { focus_cursor, clock, transport, editor, phrases };
+        let sequencer    = Sequencer { jack: None, focus_cursor, clock, transport, editor, phrases };
         if let Some(_) = self.name.as_ref() {
-            // TODO: seq.name = Arc::new(RwLock::new(name.clone()));
+            // TODO: sequencer.name = Arc::new(RwLock::new(name.clone()));
         }
         if let Some(_) = self.ppq {
-            // TODO: seq.ppq = ppq;
+            // TODO: sequencer.ppq = ppq;
         }
         if let Some(_) = self.length {
-            // TODO: if let Some(phrase) = seq.phrase.as_mut() {
+            // TODO: if let Some(phrase) = sequencer.phrase.as_mut() {
                 //phrase.write().unwrap().length = length;
             //}
         }
-        Tui::run(Arc::new(RwLock::new(seq))).map(|_|())
+        let sequencer = Arc::new(RwLock::new(sequencer));
+        let jack = jack.activate(&sequencer.clone(), sequencer_jack_callback)?;
+        let jack = Some(jack.into());
+        if let Some(ref transport) = sequencer.read().unwrap().transport {
+            transport.write().unwrap().jack = jack.clone();
+        }
+        sequencer.write().unwrap().jack = jack.clone();
+        Tui::run(sequencer).map(|_|())
     }
 }
+
+fn sequencer_jack_callback (
+    state:  &Arc<RwLock<Sequencer<Tui>>>,
+    client: &Client,
+    scope:  &ProcessScope,
+) -> Control {
+    state.write().unwrap().process(client, scope)
+}
diff --git a/crates/tek_sequencer/src/sequencer_snd.rs b/crates/tek_sequencer/src/sequencer_snd.rs
index 3253acd7..1c790c65 100644
--- a/crates/tek_sequencer/src/sequencer_snd.rs
+++ b/crates/tek_sequencer/src/sequencer_snd.rs
@@ -1,4 +1,13 @@
 use crate::*;
+impl<E: Engine> Audio for Sequencer<E> {
+    fn process (&mut self, client: &Client, scope: &ProcessScope) -> Control {
+        if let Some(ref transport) = self.transport {
+            transport.write().unwrap().process(client, scope);
+        }
+        todo!("sequencer process")
+    }
+}
+
 impl Phrase {
     /// Write a chunk of MIDI events to an output port.
     pub fn process_out (
diff --git a/crates/tek_sequencer/src/transport_cli.rs b/crates/tek_sequencer/src/transport_cli.rs
index 739ddce9..15db296d 100644
--- a/crates/tek_sequencer/src/transport_cli.rs
+++ b/crates/tek_sequencer/src/transport_cli.rs
@@ -7,14 +7,16 @@ pub fn main () -> Usually<()> {
     let mut transport = TransportToolbar::new(None, Some(jack.transport()));
     transport.focused = true;
     let transport = Arc::new(RwLock::new(transport));
-    transport.write().unwrap().jack = Some(
-        jack.activate(
-            &transport.clone(),
-            |state: &Arc<RwLock<TransportToolbar<Tui>>>, client, scope| {
-                state.write().unwrap().process(client, scope)
-            }
-        )?.into()
-    );
+    let jack = jack.activate(&transport.clone(), transport_jack_callback)?;
+    transport.write().unwrap().jack = Some(jack.into());
     Tui::run(transport)?;
     Ok(())
 }
+
+fn transport_jack_callback (
+    state:  &Arc<RwLock<TransportToolbar<Tui>>>,
+    client: &Client,
+    scope:  &ProcessScope,
+) -> Control {
+    state.write().unwrap().process(client, scope)
+}