diff --git a/crates/tek_sequencer/src/sequencer_cmd.rs b/crates/tek_sequencer/src/sequencer_cmd.rs
index 380d1557..420b6823 100644
--- a/crates/tek_sequencer/src/sequencer_cmd.rs
+++ b/crates/tek_sequencer/src/sequencer_cmd.rs
@@ -107,12 +107,12 @@ impl Handle<Tui> for PhraseEditor<Tui> {
                 false => { self.time_axis.start_inc(); },
             },
             key!(KeyCode::Char(',')) => match self.entered {
-                true  => {},
-                false => {},
+                true  => { self.note_len = prev_note_length(self.note_len) },
+                false => { self.time_axis.scale = prev_note_length(self.time_axis.scale) },
             },
             key!(KeyCode::Char('.')) => match self.entered {
-                true  => {},
-                false => {},
+                true  => { self.note_len = next_note_length(self.note_len) },
+                false => { self.time_axis.scale = next_note_length(self.time_axis.scale) },
             },
             key!(KeyCode::Char('a')) => if self.entered {
                 self.put();