![[album cover art] Hirotaka Shirotsubaki & sleepland – Étude 4](https://stereoscenic.com/i/2020/12/hirotaka-shirotsubaki-sleepland-etude-4.jpg)
Étude 4
Hirotaka Shirotsubaki & sleepland
label: self-released
release date:
| 1 | eau | 7:20 |
| 2 | Killing time at Santos | 11:00 |
| 3 | Port Terminal | 8:18 |
Styles: Ambient
label: self-released
release date:
| 1 | eau | 7:20 |
| 2 | Killing time at Santos | 11:00 |
| 3 | Port Terminal | 8:18 |
Styles: Ambient