diff --git a/scenes/main.gd b/scenes/main.gd
index d71bb6b..aa5a678 100644
--- a/scenes/main.gd
+++ b/scenes/main.gd
@@ -32,16 +32,18 @@ func _ready():
 	playback = $Player.get_stream_playback()
 	fill_buffer()
 	
+	if OS.get_name() != "Web":
+		OS.open_midi_inputs()
+		print(OS.get_connected_midi_inputs())
+	else:
+		%MidiButton.visible = true
+	
 	if multiplayer_enabled:
 		%MultiplayerButton.visible = true
 		
 		if Utils.get_external_freq_param():
 			print("Direct connect to external freq: ", Utils.get_external_freq_param())
 			_on_multiplayer_button_pressed()
-	
-	# FIXME: make this dependent on button
-	OS.open_midi_inputs()
-	print(OS.get_connected_midi_inputs())
 
 func set_morse_state(state: bool):
 	MorseState.set_state(state)
@@ -163,3 +165,8 @@ func _on_reset_button_pressed() -> void:
 
 func _on_multiplayer_button_pressed() -> void:
 	get_tree().change_scene_to_file("res://scenes/MultiplayerConnect.tscn")
+
+
+func _on_midi_button_pressed() -> void:
+	OS.open_midi_inputs()
+	print(OS.get_connected_midi_inputs())
diff --git a/scenes/main.tscn b/scenes/main.tscn
index 94699ae..128742c 100644
--- a/scenes/main.tscn
+++ b/scenes/main.tscn
@@ -64,6 +64,14 @@ text = "Save Wav"
 layout_mode = 2
 size_flags_vertical = 3
 
+[node name="MidiButton" type="Button" parent="VBoxContainer/HBoxContainer"]
+unique_name_in_owner = true
+visible = false
+layout_mode = 2
+size_flags_stretch_ratio = 0.25
+text = "Open
+Midi"
+
 [node name="ResetButton" type="Button" parent="VBoxContainer/HBoxContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
@@ -89,5 +97,6 @@ script = ExtResource("3_sugp2")
 [connection signal="button_down" from="VBoxContainer/MorseButton" to="." method="_on_morse_button_down"]
 [connection signal="button_up" from="VBoxContainer/MorseButton" to="." method="_on_morse_button_up"]
 [connection signal="pressed" from="VBoxContainer/WavButton" to="." method="_on_wav_button_pressed"]
+[connection signal="pressed" from="VBoxContainer/HBoxContainer/MidiButton" to="." method="_on_midi_button_pressed"]
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/ResetButton" to="." method="_on_reset_button_pressed"]
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/MultiplayerButton" to="." method="_on_multiplayer_button_pressed"]
diff --git a/scenes/multiplayer_connect.gd b/scenes/multiplayer_connect.gd
index 13a5229..fab6f27 100644
--- a/scenes/multiplayer_connect.gd
+++ b/scenes/multiplayer_connect.gd
@@ -225,6 +225,20 @@ func _on_morse_button_button_up() -> void:
 		return
 	set_morse_state(false)
 
+func _input(input_event):
+	if input_event is InputEventMIDI:
+		_process_midi_event(input_event)
+
+func _process_midi_event(midi_event):
+	if not mmb_self:
+		return
+		
+	if midi_event.channel in [0, 9]:
+		if midi_event.message == MIDI_MESSAGE_NOTE_ON:
+			set_morse_state(true)
+		elif midi_event.message == MIDI_MESSAGE_NOTE_OFF:
+			set_morse_state(false)
+
 func _on_leave_button_pressed() -> void:
 	send_data({"cmd": "leave"})