【浮遊する作業用BGM】The ambient drones of Bill Baxter/その5 2019.04.25 作業用BGM 浮遊する作業用BGM We Are Forever Drifting We Are Forever Drifting by The ambient drones of Bill Baxter Once More Into Nightfall Once More Into Nightfall by The ambient drones of Bill Baxter Disorienteering Disorienteering by The ambient drones of Bill Baxter