diff --git a/tracker/presets/KEYS/organ.yml b/tracker/presets/KEYS/organ.yml
index f08ceef..cb40781 100644
--- a/tracker/presets/KEYS/organ.yml
+++ b/tracker/presets/KEYS/organ.yml
@@ -1,12 +1,15 @@
 name: organ
 numvoices: 1
 units:
+    - id: 248
+      parameters: {}
+      comment: Sine-wave body
     - type: envelope
       id: 228
       parameters: {attack: 5, decay: 79, gain: 128, release: 37, stereo: 0, sustain: 79}
     - type: oscillator
       id: 208
-      parameters: {color: 64, detune: 64, gain: 55, phase: 0, shape: 64, stereo: 0, transpose: 64, type: 0, unison: 3}
+      parameters: {color: 64, detune: 64, gain: 128, phase: 114, shape: 64, stereo: 0, transpose: 64, type: 0, unison: 0}
     - type: mul
       id: 229
       parameters: {stereo: 0}
@@ -27,6 +30,7 @@ units:
       parameters: {stereo: 0}
     - id: 233
       parameters: {}
+      comment: Snap
     - type: envelope
       id: 234
       parameters: {attack: 37, decay: 79, gain: 128, release: 63, stereo: 0, sustain: 79}
@@ -54,11 +58,12 @@ units:
     - type: mulp
       id: 242
       parameters: {stereo: 0}
-    - id: 243
-      parameters: {}
     - type: addp
       id: 244
       parameters: {stereo: 0}
+    - id: 243
+      parameters: {}
+      comment: Filter & output
     - type: filter
       id: 245
       parameters: {bandpass: 1, frequency: 0, highpass: 0, lowpass: 1, resonance: 128, stereo: 0}
@@ -68,9 +73,12 @@ units:
     - type: outaux
       id: 212
       parameters: {auxgain: 9, outgain: 25, stereo: 1}
+    - id: 249
+      parameters: {}
+      comment: Filter modulation
     - type: envelope
       id: 246
       parameters: {attack: 0, decay: 76, gain: 83, release: 54, stereo: 0, sustain: 47}
     - type: send
       id: 247
-      parameters: {amount: 128, port: 0, sendpop: 1, stereo: 0, target: 245, unit: 0, voice: 0}
+      parameters: {amount: 128, port: 0, sendpop: 1, stereo: 0, target: 245, voice: 0}