fall down?

Game/Assets/Scenes/4_Fall down scene.unity

@@ -209,8 +209,7 @@ Transform:
   m_LocalPosition: {x: 0, y: 0, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
-  m_Children:
-  - {fileID: 1371773279}
+  m_Children: []
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!114 &709184036
@@ -266,6 +265,8 @@ GameObject:
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   m_Component:
   - component: {fileID: 1371773279}
+  - component: {fileID: 1371773281}
+  - component: {fileID: 1371773280}
   m_Layer: 0
   m_Name: Audio
   m_TagString: Untagged
@@ -281,15 +282,125 @@ Transform:
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   m_GameObject: {fileID: 1371773278}
   serializedVersion: 2
-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []
-  m_Father: {fileID: 709184035}
+  m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!82 &1371773280
+AudioSource:
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1371773278}
+  m_Enabled: 1
+  serializedVersion: 4
+  OutputAudioMixerGroup: {fileID: 0}
+  m_audioClip: {fileID: 0}
+  m_Resource: {fileID: 8300000, guid: c1cd8375a68188e4e87dcd9e361257cd, type: 3}
+  m_PlayOnAwake: 1
+  m_Volume: 1
+  m_Pitch: 1
+  Loop: 0
+  Mute: 0
+  Spatialize: 0
+  SpatializePostEffects: 0
+  Priority: 128
+  DopplerLevel: 1
+  MinDistance: 1
+  MaxDistance: 500
+  Pan2D: 0
+  rolloffMode: 0
+  BypassEffects: 0
+  BypassListenerEffects: 0
+  BypassReverbZones: 0
+  rolloffCustomCurve:
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+    m_Curve:
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+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    - serializedVersion: 3
+      time: 1
+      value: 0
+      inSlope: 0
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+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  panLevelCustomCurve:
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+    m_Curve:
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+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  spreadCustomCurve:
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+    m_Curve:
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+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  reverbZoneMixCustomCurve:
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+    m_Curve:
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+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
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+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+--- !u!114 &1371773281
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+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1371773278}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: d46cd926be38836499dc229fa9707a83, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: '::'
 --- !u!1660057539 &9223372036854775807
 SceneRoots:
   m_ObjectHideFlags: 0
   m_Roots:
   - {fileID: 709184035}
+  - {fileID: 1371773279}