Rain Sound by Pwlae on soundbible.com (http://soundbible.com/1999-Rain.html)
Cargo Plane Cabin Ambiance Sound by Mike Koenig on soundbible.com (http://soundbible.com/1305-Cargo-Plane-Cabin-Ambiance.html)
“Einblick (sad anna)” by Stephan Seibert on freemusicarchive.org (https://freemusicarchive.org/music/Stephan_Siebert/20190330115432381/Stephan_Siebert_07_Einblick)
Used under this license: https://creativecommons.org/licenses/by-nc-sa/3.0/us/
All of these sounds have been edited by me. Read the written version here.
