Swudu Susuwu on musicbox, 2025-09-16, Creative Commons Attribution (allows all uses), virtuoso

Licenses: you can choose to use through https://creativecommons.org/licenses/by/2.0/, Apache 2, or https://github.com/SwuduSusuwu/SusuMid/blob/preview/LICENSE_GPLv2
https://play.google.com/store/apps/details?id=com.gamestar.perfectpiano was used with a Bluetooth keyboard to produce this music.
To download the original `.mid` version of this music: https://github.com/SwuduSusuwu/SusuMid/blob/preview/mid/202509161912_MusicBox-Echo.mid
The official “short” (trimmed) version of this is: the first 9 minutes and 7 seconds, which is intended for use as background music.
Previous songs: https://www.youtube.com/watch?v=jbyE0W4FFjA https://www.youtube.com/watch?v=WmleX_i5yQI https://www.youtube.com/watch?v=9byRaE-btOA https://www.youtube.com/watch?v=JSo5mXvV-vk