diff --git a/Pulsus/Audio/AudioEngine.cs b/Pulsus/Audio/AudioEngine.cs
index 8f873b0..cbcc665 100644
--- a/Pulsus/Audio/AudioEngine.cs
+++ b/Pulsus/Audio/AudioEngine.cs
@@ -276,6 +276,9 @@ public void PlayScheduled(double position, SoundInstance soundInstance, int poly
 
 			SoundInstanceInternal instance = new SoundInstanceInternal(soundInstance);
 
+			if (!dataInstanceCount.ContainsKey(instance.sound))
+				dataInstanceCount.Add(instance.sound, 0);
+
 			double bufferPosition = (position - lastCallback) * ((double)audioSpec.freq);
 			uint offset = (uint)(bufferPosition * bytesPerSample);
 			if (offset % 4 != 0)
diff --git a/Pulsus/Gameplay/EventPlayers/BGM.cs b/Pulsus/Gameplay/EventPlayers/BGM.cs
index 2d08e1d..884af95 100644
--- a/Pulsus/Gameplay/EventPlayers/BGM.cs
+++ b/Pulsus/Gameplay/EventPlayers/BGM.cs
@@ -25,7 +25,7 @@ public override void OnPlayerStart()
 
 		public override void OnBGM(SoundEvent soundEvent)
 		{
-			if (seeking)
+			if (seeking && realtime)
 				return;
 
 			if (soundEvent.sound == null)
diff --git a/Pulsus/Gameplay/EventPlayers/Player.cs b/Pulsus/Gameplay/EventPlayers/Player.cs
index 8c4d943..77b38ec 100644
--- a/Pulsus/Gameplay/EventPlayers/Player.cs
+++ b/Pulsus/Gameplay/EventPlayers/Player.cs
@@ -66,7 +66,7 @@ public void PlayerReleaseKey(int lane)
 
 		private void PressKey(int lane, SoundObject value, NoteEvent pressNote = null)
 		{
-			if (seeking)
+			if (seeking && realtime)
 				return;
 
 			if (skin != null)
@@ -141,7 +141,7 @@ private void PressKey(int lane, SoundObject value, NoteEvent pressNote = null)
 
 		private void ReleaseKey(int lane, SoundObject value = null)
 		{
-			if (seeking)
+			if (seeking && realtime)
 				return;
 
 			if (skin != null)