【浮遊する作業用BGM】The ambient drones of Bill Baxter/その20 2020.11.18 作業用BGM 浮遊する作業用BGM Hidden In Plain Sight Hidden In Plain Sight by The ambient drones of Bill Baxter A Study of Lines & Structure A Study of Lines & Structure by The ambient drones of Bill Baxter Where The Sky Meets The Land Where The Sky Meets The Land by The ambient drones of Bill Baxter