wip: let's figure out how edn keymaps will work

midi/src/midi_clip.rs

@@ -13,7 +13,7 @@ pub trait HasMidiClip {
 }
 
 /// A MIDI sequence.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Default)]
 pub struct MidiClip {
     pub uuid:        uuid::Uuid,
     /// Name of clip
@@ -83,10 +83,7 @@ impl MidiClip {
         }
         false
     }
-}
-
-impl Default for MidiClip {
-    fn default () -> Self {
+    pub fn stop_all () -> Self {
         Self::new(
             "Stop",
             false,