The request to download both an MP3 and a DOCX file for the same date suggests one of several standard use cases:
Some services, like Notevibes , convert DOCX text documents into MP3 audio files using AI voices.
If you are encountering issues where a file intended to be a document downloads as an MP3 (or vice versa), consider the following: DOCX to MP3 — Convert Word Documents to Audio - Notevibes
Computer Science, Information & General Works 
Philosophy & Psychology 
Religion 
Social Sciences 
Language 
Pure Science 
Applied Sciences 
Art & Recreation 
Literature 
History & Geography