【浮遊する作業用BGM】The ambient drones of Bill Baxter/その7 2019.11.21 作業用BGM 浮遊する作業用BGM Drone Sky City Drone Sky City by The ambient drones of Bill Baxter New Dawn Fades New Dawn Fades by The ambient drones of Bill Baxter Summer Night City Summer Night City by The ambient drones of Bill Baxter