diff --git a/life/src/main.rs b/life/src/main.rs
index c9f3b59..9772099 100644
--- a/life/src/main.rs
+++ b/life/src/main.rs
@@ -611,9 +611,6 @@ fn new_cell(
     let playback_settings = PlaybackSettings::ONCE.with_volume(volume);
 
     info!("using coordinates {:?}", c);
-    info!("cell_pitch: {:?}", pitch_map.coordinates_cell_pitch(&c));
-    info!("pitch map {:?}", pitch_map);
-    info!("cell assets materials: {:#?}", cell_assets.materials);
 
     bsn! {
         Cell
@@ -763,11 +760,11 @@ impl CellPitch {
             }
         };
 
-        let lightness = (self.octave as f32 + 5.0) / 11.0;
+        let chroma = (self.octave as f32 + 5.0) / 11.0;
 
         Color::Oklcha(Oklcha {
             hue,
-            lightness,
+            chroma,
             ..default()
         })
     }
@@ -976,20 +973,20 @@ impl PitchMap {
     /// Given the currently selected notes and octave range selected in the PitchMap convert the given coordinates to a CellPitch
     fn coordinates_cell_pitch(&self, c: &Coordinates) -> CellPitch {
         let note: Note = {
-            // Note is the x-axis pattern, repeating every 12 tiles because we support 12 pitches
-            let idx = (c.x as usize) % self.notes.len();
-            // TODO: pretty sure this doesn't handle negative numbers at all...
-            // need to shift by ?? first
-            self.notes.get(idx).unwrap().clone()
+            let num_notes: usize = self.notes.len();
+            let x_coord: usize = c.x.strict_abs() as usize; // TODO: shift first or something
+            self.notes.get(x_coord % num_notes).unwrap().clone()
         };
         let octave: isize = {
-            // Octave is the y-axis pattern, repeating every 11 tiles because we support 11 octaves
-            let total_octaves = self.octaves_up as isize + self.octaves_down as isize + 1;
-            // TODO: pretty sure this doesn't handle negative numbers at all...
-            // need to shift by ?? first
-            c.y % total_octaves
+            let num_octaves: usize = self.octaves_up + self.octaves_down + 1;
+            let y_coord: usize = c.y.strict_abs() as usize;  // TODO: shift first or something
+            info!("num_octaves: {:?}", num_octaves);
+            info!("y_coord: {:?}", y_coord);
+            (y_coord % num_octaves) as isize - 5
         };
-        CellPitch { note, octave }
+        let cp = CellPitch { note, octave };
+        info!("Cell Pitch: {:?}", cp);
+        cp
     }
 }