diff --git a/src/classes/SoundEvent.ts b/src/classes/SoundEvent.ts
index 4f5519f..80ac9f8 100644
--- a/src/classes/SoundEvent.ts
+++ b/src/classes/SoundEvent.ts
@@ -149,6 +149,7 @@ export class SoundEvent extends AudibleEvent {
         50 * value
       );
     }
+    return this;
   }
   public lpq = this.resonance;
   public lpadsr = (