diff --git a/Node2D.gd b/Node2D.gd
index 1ba9d39..94333ad 100644
--- a/Node2D.gd
+++ b/Node2D.gd
@@ -22,7 +22,13 @@ func _ready():
 #	PCs[-1].material.set_shader_param('palette', SpriteLoader.character_battle_sprite_palette_textures[45])
 #	PCs[-1].texture = SpriteLoader.weapon_textures['Fist']
 #	add_child(PCs[-1])
+	_create_sfx_buttons()
 
+
+func _create_sfx_buttons():
+	var disable_btn := !SoundLoader.has_loaded_audio_samples
+	if disable_btn:
+		SoundLoader.connect('audio_samples_loaded', self, '_enable_sfx_buttons')
 	for i in SoundLoader.INST_NUM:
 		var btn = Button.new()
 		btn.text = 'Play #%02X' % i
@@ -32,6 +38,7 @@ func _ready():
 		add_child(btn)
 		btn.connect('pressed', SoundLoader, 'play_sample', [i])
 		sfx_buttons.append(btn)
+		btn.disabled = disable_btn
 	for i in SoundLoader.SFX_NUM:
 		var btn = Button.new()
 		btn.text = 'SFX #%02X' % i
@@ -41,7 +48,11 @@ func _ready():
 		add_child(btn)
 		btn.connect('pressed', SoundLoader, 'play_sfx', [i])
 		sfx_buttons.append(btn)
+		btn.disabled = disable_btn
 
+func _enable_sfx_buttons():
+	for btn in sfx_buttons:
+		btn.disabled = false
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 #func _process(delta):
diff --git a/scripts/loaders/rom_loader.gd b/scripts/loaders/rom_loader.gd
index 46cbbdc..39dcc3e 100644
--- a/scripts/loaders/rom_loader.gd
+++ b/scripts/loaders/rom_loader.gd
@@ -4,13 +4,16 @@ var ROM_filename := 'FF5_SCC_WepTweaks_Inus_Dash.sfc'  # 'Final Fantasy V (Japan
 var GBA_filename := '2564 - Final Fantasy V Advance (U)(Independent).gba'
 
 var rom_snes := File.new()
+var thread := Thread.new()
 
 func load_snes_rom(filename: String):
 	var error := rom_snes.open(filename, File.READ)
 	if error == OK:
-		SoundLoader.parse_rom(rom_snes)
 		SpriteLoader.load_snes_rom(rom_snes)
+		var _thread_error = thread.start(SoundLoader, 'parse_rom', rom_snes)
 
 func _ready():
 	load_snes_rom(ROM_filename)
 
+func _exit_tree() -> void:
+	thread.wait_to_finish()
diff --git a/scripts/loaders/sound_loader.gd b/scripts/loaders/sound_loader.gd
index 4fbc93b..b3db022 100644
--- a/scripts/loaders/sound_loader.gd
+++ b/scripts/loaders/sound_loader.gd
@@ -1,5 +1,8 @@
 extends Node
 
+signal audio_samples_loaded
+var has_loaded_audio_samples := false
+
 const BGM_NUM := 70
 const BGM_LOOKUP := 0x043B97
 const INST_NUM := 35
@@ -118,7 +121,7 @@ func get_inst_sample_data(rom: File, id: int) -> AudioStreamSample:
 	audio.loop_mode = AudioStreamSample.LOOP_FORWARD
 	audio.loop_begin = loop_start_packet * 16  # Each 9byte packet is 16 samples
 	audio.loop_end = num_samples-1
-	print_debug('Loaded instrument #%02X with lookup offset $%06X, BRR data offset $%06X, length $%04X (%f packets, %d samples) and loop point %d samples' % [id, lookup_offset, brr_offset, size, size/9.0, num_samples, audio.loop_begin])
+	# print_debug('Loaded instrument #%02X with lookup offset $%06X, BRR data offset $%06X, length $%04X (%f packets, %d samples) and loop point %d samples' % [id, lookup_offset, brr_offset, size, size/9.0, num_samples, audio.loop_begin])
 	return audio
 
 func load_sfx_samples_data(rom: File):
@@ -146,6 +149,7 @@ func load_sfx_samples_data(rom: File):
 
 # Called when the node enters the scene tree for the first time.
 func load_samples(rom: File):
+	pass
 	load_sfx_samples_data(rom)
 	for i in INST_NUM:
 		instrument_samples.append(get_inst_sample_data(rom, i))
@@ -198,7 +202,9 @@ func play_sfx(id: int):
 
 func parse_rom(rom: File):
 	load_samples(rom)
-	load_bgms(rom)
+	#load_bgms(rom)
+	has_loaded_audio_samples = true
+	emit_signal('audio_samples_loaded')
 
 func _ready() -> void:
 	add_child(player)