Jacob & Wilhelm Grimm | Read by Rainer / LibriVox
Source: https://librivox.org/maerchen-by-grimm-1/
License: https://librivox.org/pages/public-domain/
Changes: excerpted audio, re-encoded, captions and original motion graphics added. No synthetic voice or added soundtrack.

Video license: CC-BY-4.0 https://creativecommons.org/licenses/by/4.0/
Artist / recording page: https://librivox.org/maerchen-by-grimm-1/
Motion graphics and edit: AI Free Audio to Video.