【浮遊する作業用BGM】The ambient drones of Bill Baxter/その25 2020.11.24 作業用BGM 浮遊する作業用BGM By The Warmth Of The Fire By The Warmth Of The Fire by The ambient drones of Bill Baxter Lost In Ancient Ruins Lost In Ancient Ruins by The ambient drones of Bill Baxter Mysterious Shadows Mysterious Shadows by The ambient drones of Bill Baxter