https://www.w3.org/community/texttracks/tag/webvtt/
WebVTT | Web Media Text Tracks Community Group
web mediatext trackswebvttcommunitygroup
https://lists.w3.org/Archives/Public/public-html/2011Sep/0204.html
[Bug 14260] New: track "text tracks ready" and HTMLMediaElement.readyState from...
new tracktext tracksbug
https://musicgpt.pro/
Create Professional Tracks and Lyrics from Simple Text with AI Music Generator | MusicGPT
Generate high-quality, royalty-free music from text prompts instantly. MusicGPT offers a professional AI music creator for creators and developers to scale...