diff --git a/.gitignore b/.gitignore
index f43cd8e..a38d03d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,9 +5,11 @@
 # Data directories
 data/downloads/
 data/processed/
+data/bgm/
 data/jobs.json
 backend/data/downloads/
 backend/data/processed/
+backend/data/bgm/
 backend/data/jobs.json
 backend/data/cookies/
 
diff --git a/backend/data/bgm/bit_forest_intro_music.mp3 b/backend/data/bgm/bit_forest_intro_music.mp3
deleted file mode 100644
index 3293175..0000000
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diff --git a/backend/data/bgm/chill_lofi.mp3 b/backend/data/bgm/chill_lofi.mp3
deleted file mode 100644
index e7d40ff..0000000
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diff --git a/backend/data/bgm/cinematic_epic.mp3 b/backend/data/bgm/cinematic_epic.mp3
deleted file mode 100644
index 3e66c2e..0000000
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diff --git a/backend/data/bgm/electronic_chill.mp3 b/backend/data/bgm/electronic_chill.mp3
deleted file mode 100644
index f066889..0000000
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diff --git a/backend/data/bgm/funny_comedy.mp3 b/backend/data/bgm/funny_comedy.mp3
deleted file mode 100644
index 7b59a63..0000000
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diff --git a/backend/data/bgm/happy_pop.mp3 b/backend/data/bgm/happy_pop.mp3
deleted file mode 100644
index 74d7d9d..0000000
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diff --git a/backend/data/bgm/inspirational.mp3 b/backend/data/bgm/inspirational.mp3
deleted file mode 100644
index e1cbfb2..0000000
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diff --git a/backend/data/bgm/quirky_playful.mp3 b/backend/data/bgm/quirky_playful.mp3
deleted file mode 100644
index b85cc7c..0000000
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diff --git a/backend/data/bgm/shopping_bright.mp3 b/backend/data/bgm/shopping_bright.mp3
deleted file mode 100644
index e728f32..0000000
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diff --git a/backend/data/bgm/soft_ambient.mp3 b/backend/data/bgm/soft_ambient.mp3
deleted file mode 100644
index 86d02bd..0000000
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diff --git a/backend/data/bgm/soft_corporate.mp3 b/backend/data/bgm/soft_corporate.mp3
deleted file mode 100644
index 1a91651..0000000
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diff --git a/backend/data/bgm/upbeat_80s_synth.mp3 b/backend/data/bgm/upbeat_80s_synth.mp3
deleted file mode 100644
index dd33c58..0000000
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diff --git a/backend/data/bgm/upbeat_fun.mp3 b/backend/data/bgm/upbeat_fun.mp3
deleted file mode 100644
index 3d680ef..0000000
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