diff --git a/app/static/js/services/soundfontPlayer.js b/app/static/js/services/soundfontPlayer.js
index d6e8f6d..f3b1f41 100644
--- a/app/static/js/services/soundfontPlayer.js
+++ b/app/static/js/services/soundfontPlayer.js
@@ -163,12 +163,13 @@
 
         stopNote: function (channel, pitch) {
             if (channel < 0 || channel > 15) return;
-            if (_initialized && _synthInstance) {
+            if (!_initialized || !_synthInstance) return;
+            // Delay noteOff by 100ms for natural release
+            const timer = setTimeout(() => {
                 try { _synthInstance.noteOff(channel, pitch); } catch (e) {}
-                try { _synthInstance.controllerChange(channel, 64, 0); } catch (e) {}
-                // Also send noteOff with velocity=0 for safety
                 try { _synthInstance.noteOff(channel, pitch, 0); } catch (e) {}
-            }
+            }, 100);
+            _scheduledNotes.push({ on: null, off: timer });
         },
 
         playNote: function (note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine) {