diff --git a/src/audio/copt/seq_channel_layer_process_script_copt.inc.c b/src/audio/copt/seq_channel_layer_process_script_copt.inc.c
index 4fd4b511..7b579a4a 100644
--- a/src/audio/copt/seq_channel_layer_process_script_copt.inc.c
+++ b/src/audio/copt/seq_channel_layer_process_script_copt.inc.c
@@ -513,6 +513,10 @@ l13cc:
         (*layer).note = alloc_note(layer);
     }
 
+    if (!layer->note) {
+        LOG_DEBUG("Failed to alloc note!\n");
+    }
+
     if (layer->note != NULL && layer->note->parentLayer == layer) {
         note_vibrato_init(layer->note);
     }
diff --git a/src/audio/data.c b/src/audio/data.c
index 258e615b..bdac8bbe 100644
--- a/src/audio/data.c
+++ b/src/audio/data.c
@@ -44,6 +44,8 @@ struct AudioSessionSettingsEU gAudioSessionPresets[] = {
 };
 #endif
 
+#define MAX_SIMUL_NOTE_MULT 2 // double the number of max simultaneous notes
+
 // Format:
 // - frequency
 // - max number of simultaneous notes
@@ -58,33 +60,33 @@ struct AudioSessionSettingsEU gAudioSessionPresets[] = {
 #if defined(VERSION_JP) || defined(VERSION_US)
 struct AudioSessionSettings gAudioSessionPresets[18] = {
 #ifdef VERSION_JP
-    { 32000, 16, 1, 0x0800, 0x2FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
-    { 32000, 16, 1, 0x0A00, 0x47FF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
-    { 32000, 16, 1, 0x1000, 0x2FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
-    { 32000, 16, 1, 0x0E00, 0x3FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
-    { 32000, 16, 1, 0x0C00, 0x4FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
-    { 32000, 16, 1, 0x0800, 0x2FFF, 0x7FFF, 0x3E00, 0x6200, 0x3F00, 0x2A00 },
-    { 32000, 16, 1, 0x0A00, 0x47FF, 0x7FFF, 0x3F00, 0x6200, 0x4400, 0x2A80 },
-    { 32000, 20, 1, 0x0800, 0x37FF, 0x7FFF, 0x3300, 0x5500, 0x4000, 0x1B00 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x2FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0A00, 0x47FF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x1000, 0x2FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0E00, 0x3FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0C00, 0x4FFF, 0x7FFF, 0x3900, 0x6000, 0x4400, 0x2A00 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x2FFF, 0x7FFF, 0x3E00, 0x6200, 0x3F00, 0x2A00 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0A00, 0x47FF, 0x7FFF, 0x3F00, 0x6200, 0x4400, 0x2A80 },
+    { 32000, 20 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x37FF, 0x7FFF, 0x3300, 0x5500, 0x4000, 0x1B00 },
 #else
-    { 32000, 16, 1, 0x0C00, 0x2FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
-    { 32000, 16, 1, 0x0A00, 0x47FF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
-    { 32000, 16, 1, 0x1000, 0x2FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
-    { 32000, 16, 1, 0x0E00, 0x3FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
-    { 32000, 16, 1, 0x0C00, 0x4FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
-    { 32000, 16, 1, 0x0C00, 0x2FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
-    { 32000, 16, 1, 0x0A00, 0x47FF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
-    { 32000, 20, 1, 0x0800, 0x37FF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0C00, 0x2FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0A00, 0x47FF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x1000, 0x2FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0E00, 0x3FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0C00, 0x4FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0C00, 0x2FFF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0A00, 0x47FF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
+    { 32000, 20 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x37FF, 0x7FFF, 0x7400, 0xCC00, 0x7400, 0x7400 },
 #endif
-    { 27000, 16, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 27000, 16, 1, 0x0800, 0x3FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 27000, 16, 1, 0x1000, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 27000, 16, 1, 0x1000, 0x3FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 27000, 16, 1, 0x0C00, 0x4FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 32000, 14, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 32000, 12, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 32000, 10, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
-    { 32000, 8, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 27000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 27000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x3FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 27000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x1000, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 27000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x1000, 0x3FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 27000, 16 * MAX_SIMUL_NOTE_MULT, 1, 0x0C00, 0x4FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 32000, 14 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 32000, 12 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 32000, 10 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
+    { 32000,  8 * MAX_SIMUL_NOTE_MULT, 1, 0x0800, 0x2FFF, 0x7FFF, 0x7400, 0x7400, 0x7400, 0x7400 },
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
 };
 #endif