![[album cover art] Hirotaka Shirotsubaki & sleepland – Étude 1](https://stereoscenic.com/i/2020/12/hirotaka-shirotsubaki-sleepland-etude-1.jpg)
Étude 1
Hirotaka Shirotsubaki & sleepland
label: self-released
release date:
| 1 | kalte luft | 7:55 |
| 2 | inside of the surface | 8:37 |
| 3 | Nishi-Motomachi | 7:16 |
| 4 | worn out luster | 10:34 |
Styles: Ambient
label: self-released
release date:
| 1 | kalte luft | 7:55 |
| 2 | inside of the surface | 8:37 |
| 3 | Nishi-Motomachi | 7:16 |
| 4 | worn out luster | 10:34 |
Styles: Ambient