diff --git a/src/app_task.cpp b/src/app_task.cpp
index 210dbf0..89f12dd 100644
--- a/src/app_task.cpp
+++ b/src/app_task.cpp
@@ -4,10 +4,13 @@
 AppTask::AppTask(LedStub* led, SwitchStub* sw, UsbMidiTransport* midi)
     : led_driver(led), switch_driver(sw), midi_transport(midi) {
     
+    // Launchpad X standard: bottom row = notes 36-45 (C2 to A2) on channel 1
+    const uint8_t launchpad_notes[10] = {36, 37, 38, 39, 40, 41, 42, 43, 44, 45};
+    
     for (uint8_t i = 0; i < NUM_PADS; i++) {
         pad_mapping[i].physical_switch = i;
         pad_mapping[i].midi_channel = 1;
-        pad_mapping[i].midi_note = i;
+        pad_mapping[i].midi_note = launchpad_notes[i];
         pad_mapping[i].led_index = i;
         last_switch_state[i] = false;
     }