diff --git a/src/main.rs b/src/main.rs
index 365bab1..0d0ab6e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -40,8 +40,10 @@ const CUBEMAPS: &[(&str, CompressedImageFormats)] = &[
     ),
 ];
 
+#[derive(Component)]
+struct ComponentBGM;
 #[derive(Resource)]
-struct SoundInhale(Handle<AudioSource>);
+struct SoundBGM(Handle<AudioSource>);
 
 
 fn setup(
@@ -57,20 +59,21 @@ fn setup(
     }
 
     // Sound
-    let inhale_sound = asset_server.load("sounds/wakeup.ogg");
-    let res_inhale_sound = SoundInhale(inhale_sound);
-    //commands.insert_resource(res_inhale_sound);
-    commands.spawn(AudioBundle {
-        source: res_inhale_sound.0.clone(),
-        // auto-despawn the entity when playback finishes
-        settings: PlaybackSettings::DESPAWN,
-    });
-    commands.spawn(AudioBundle {
-        source: asset_server.load("restricted/FTL - Faster Than Light (2012) OST - 12 - Void (Explore)-edQw2yYXQJM.ogg"),
-        ..default()
-    });
-
-
+    let bgm = SoundBGM(asset_server.load("restricted/FTL - Faster Than Light (2012) OST - 12 - Void (Explore)-edQw2yYXQJM.ogg"));
+    commands.spawn((
+        AudioBundle {
+            source: bgm.0.clone(),
+            settings: PlaybackSettings::LOOP,
+        },
+        ComponentBGM,
+    ));
+    commands.insert_resource(bgm);
+    commands.spawn((
+        AudioBundle {
+            source: asset_server.load("sounds/wakeup.ogg"),
+            settings: PlaybackSettings::DESPAWN,
+        },
+    ));
 
     // camera
     commands.spawn((
@@ -148,8 +151,14 @@ fn asset_loaded(
 
 fn handle_input(
     keyboard_input: Res<ButtonInput<KeyCode>>,
+    bgm_controller: Query<&AudioSink, With<ComponentBGM>>,
     mut app_exit_events: ResMut<Events<bevy::app::AppExit>>
 ) {
+    if keyboard_input.just_pressed(KeyCode::KeyT) {
+        if let Ok(sink) = bgm_controller.get_single() {
+            sink.toggle()
+        }
+    }
     if keyboard_input.pressed(KeyCode::KeyQ) {
         app_exit_events.send(bevy::app::AppExit);
     }