Audio attributions

Rainfall includes adapted thunder recordings made available by their creators for reuse.

Richard Humphries

• Nosferatu thunderclap, licensed under CC BY 4.0.
• rbh-thunder-storm, licensed under CC BY 3.0.

Both recordings were edited for duration, filtered, level-shaped, and converted to AAC for use in Rainfall.

Public-domain sources

• Storm thunderbolts, marked public domain on Wikimedia Commons.
• RollingThunder (USAFB), a United States Air Force recording marked public domain on Wikimedia Commons.