diff --git a/app/static/js/services/soundfontPlayer.js b/app/static/js/services/soundfontPlayer.js
index 3dbea9b..e236623 100644
--- a/app/static/js/services/soundfontPlayer.js
+++ b/app/static/js/services/soundfontPlayer.js
@@ -322,21 +322,11 @@
             if (_initialized && _fluidModule) {
                 var key = channel + ':' + pitch;
                 var mappedChs = _activeNotes[key];
-                if (mappedChs === undefined) {
-                    if (_activeNotes['_' + key]) mappedChs = _activeNotes['_' + key];
-                }
                 if (mappedChs === undefined) mappedChs = [channel];
-                if (!Array.isArray(mappedChs)) mappedChs = [mappedChs];
                 for (var i = 0; i < mappedChs.length; i++) {
                     try { _fluidModule._fluid_synth_noteoff(_synthPtr, mappedChs[i], pitch); } catch (e) {}
                 }
                 delete _activeNotes[key];
-                try {
-                    var r1 = _fluidModule._fluid_synth_noteoff(_synthPtr, mappedCh, pitch);
-                    if (r1 !== 0) {
-                        r1 = _fluidModule._fluid_synth_noteon(_synthPtr, mappedCh, pitch, 0);
-                    }
-                } catch (e) { console.warn("[SonicSF] stopNote error:", e); }
             }
         },
 
@@ -360,7 +350,6 @@
         },
 
         _playNoteFluid: function (note, velocity, durationMs, startTime, program, channel, synthEngine) {
-            console.log("[SonicSF] _playNoteFluid chParam:", channel, "synthEngine:", synthEngine ? synthEngine.soundfont_id + ':' + synthEngine.soundfont_bank + ':' + synthEngine.soundfont_program : 'null');
             var midiPitch = Math.min(127, Math.max(0, parseInt(note) || 60));
             var midiVel = Math.min(127, Math.max(1, Math.floor(
                 typeof velocity === 'number' ? (velocity > 1 ? velocity : velocity * 127) : 100