diff --git a/demos/project.edn b/demos/project.edn
index 117e3c83..a3fafcd4 100644
--- a/demos/project.edn
+++ b/demos/project.edn
@@ -1,27 +1,17 @@
 (bpm 150)
 
 (track { :name "Drums" :gain +0.0 }
-
-  (sampler { :name "DrumKit1" :dir "/home/user/Lab/Music/pak" }
-    (sample { :midi 34 :name "808" :file "808.wav"  })
-    (sample { :midi 35 :name "KC1" :file "kik.wav"  })
-    (sample { :midi 36 :name "KC2" :file "kik2.wav" })
-    (sample { :midi 38 :name "SN1" :file "sna.wav"  })
-    (sample { :midi 40 :name "SN2" :file "sna2.wav" })
-    (sample { :midi 42 :name "HH1" :file "chh.wav"  })
-    (sample { :midi 44 :name "HH2" :file "chh2.wav" }))
-
   (phrase { :name "4 kicks" :beats 4 :steps 16 }
     (:00 (36 128))
-    (:04 (36 128))
-    (:08 (36 128))
-    (:12 (36 128)))
+    (:04 (36 100))
+    (:08 (36 100))
+    (:12 (36 100)))
   (phrase { :name "5 kicks" :beats 4 :steps 16 }
     (:00 (36 128))
-    (:04 (36 128))
+    (:04 (36 100))
     (:08 (36 128))
-    (:12 (36 128))
-    (:14 (36 128)))
+    (:12 (36 100))
+    (:14 (36 110)))
   (phrase { :name "D Beat" :beats 4 })
     ;(:00 (44 :100) (:34 :100) (:35 :100))
     ;(:02 (42 :100)                      )
@@ -45,7 +35,15 @@
     (:10 (44 100))
     (:11 (35 100) (36 100))
     (:12 (44 100) (40 100))
-    (:14 (44 100))))
+    (:14 (44 100)))
+  (sampler { :name "DrumKit1" :dir "/home/user/Lab/Music/pak" }
+    (sample { :midi 34 :name "808" :file "808.wav"  })
+    (sample { :midi 35 :name "KC1" :file "kik.wav"  })
+    (sample { :midi 36 :name "KC2" :file "kik2.wav" })
+    (sample { :midi 38 :name "SN1" :file "sna.wav"  })
+    (sample { :midi 40 :name "SN2" :file "sna2.wav" })
+    (sample { :midi 42 :name "HH1" :file "chh.wav"  })
+    (sample { :midi 44 :name "HH2" :file "chh2.wav" })))
 
 (track { :name "Bass" :gain +0.0 }
   (phrase { :name "Bass 1" :beats 4 })
@@ -55,7 +53,11 @@
   (phrase { :name "Bass 5" :beats 4 })
   (phrase { :name "Bass 6" :beats 4 })
   (phrase { :name "Bass 7" :beats 4 })
-  (phrase { :name "Bass 8" :beats 4 }))
+  (phrase { :name "Bass 8" :beats 4 })
+  (lv2 {
+    :name "Odin2"
+    :path "file:///home/user/.lv2/Odin2.lv2"
+  }))
 
 (track { :name "Lead" :gain +0.0 }
   (phrase { :name "Lead 1" :beats 4 })
@@ -65,4 +67,8 @@
   (phrase { :name "Lead 5" :beats 4 })
   (phrase { :name "Lead 6" :beats 4 })
   (phrase { :name "Lead 7" :beats 4 })
-  (phrase { :name "Lead 8" :beats 4 }))
+  (phrase { :name "Lead 8" :beats 4 })
+  (lv2 {
+    :name "Odin2"
+    :path "file:///home/user/.lv2/Odin2.lv2"
+  }))
diff --git a/src/edn.rs b/src/edn.rs
index 7c006408..fd1c55b4 100644
--- a/src/edn.rs
+++ b/src/edn.rs
@@ -83,12 +83,24 @@ impl Track {
                 _ => {}
             }
         }
+        let (left, right) = (app.audio_out(0), app.audio_out(1));
         app.add_track_with_cb(Some(name.as_str()), move|_, track|{
             for phrase in phrases {
                 track.phrases.push(phrase);
             }
             for device in devices {
-                track.add_device(device);
+                track.add_device(device)?;
+            }
+            if let Some(device) = track.devices.get(0) {
+                device.connect_midi_in(0, &track.midi_out.clone_unowned())?;
+            }
+            if let Some(device) = track.devices.get(track.devices.len() - 1) {
+                if let Some(ref left)  = left {
+                    device.connect_audio_out(0, left)?;
+                }
+                if let Some(ref right) = right {
+                    device.connect_audio_out(1, right)?;
+                }
             }
             Ok(())
         })
@@ -133,10 +145,12 @@ impl Phrase {
                                 if !data.contains_key(&time) {
                                     data.insert(time, vec![]);
                                 }
-                                data.get_mut(&time).unwrap().push(MidiMessage::NoteOn {
-                                    key: u7::from(*key as u8),
-                                    vel: u7::from(*vel as u8),
-                                });
+                                let (key, vel) = (
+                                    u7::from((*key as u8).min(127)), 
+                                    u7::from((*vel as u8).min(127))
+                                );
+                                data.get_mut(&time).unwrap()
+                                    .push(MidiMessage::NoteOn { key, vel })
                             } else {
                                 panic!("unexpected list in phrase '{name}'")
                             },
@@ -228,7 +242,7 @@ impl LV2Plugin {
                         path = String::from(*p);
                     }
                 },
-                _ => panic!("unexpected in sample {name}"),
+                _ => panic!("unexpected in lv2 '{name}'"),
             }
         }
         Plugin::lv2(&name, &path)
diff --git a/src/main.rs b/src/main.rs
index 2da6b1f4..14240bf4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -66,13 +66,15 @@ pub fn main () -> Usually<()> {
                 .collect::<Usually<()>>())
             .collect::<Usually<()>>()?;
 
-        let audio_outs: Vec<_> = audio_into
+        state.audio_outs = audio_into
             .iter()
             .map(|name|client
                 .ports(Some(name), None, PortFlags::empty())
                 .get(0)
                 .map(|name|client.port_by_name(name)))
             .flatten()
+            .filter_map(|x|x)
+            .map(Arc::new)
             .collect();
 
         state.jack = Some(jack);
diff --git a/src/model.rs b/src/model.rs
index 22330ecc..2bb393c9 100644
--- a/src/model.rs
+++ b/src/model.rs
@@ -24,7 +24,7 @@ pub struct App {
     /// Main MIDI controller.
     pub midi_in:      Option<Port<MidiIn>>,
     /// Main audio outputs.
-    pub audio_outs:   Option<Vec<Port<AudioOut>>>,
+    pub audio_outs:   Vec<Arc<Port<Unowned>>>,
     /// JACK transport handle.
     pub transport:    Option<Transport>,
     /// Current transport state
@@ -124,6 +124,9 @@ impl App {
             reset, current_frames as usize, current_usecs as usize, next_usecs as usize, period_usecs as f64
         )
     }
+    pub fn audio_out (&self, index: usize) -> Option<Arc<Port<Unowned>>> {
+        self.audio_outs.get(index).map(|x|x.clone())
+    }
     pub fn client (&self) -> &Client {
         self.jack.as_ref().unwrap().as_client()
     }