Vtt subtitles and karaoke style - by nino

http://dev.w3.org/html5/webvtt/
WebVTT: The Web Video Text Tracks Format
Draft Community Group Report 30 October 2014
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Editors:
Silvia Pfeiffer, NICTA
Philip Jägenstedt, Opera Software ASA
Ian Hickson, Google (previous editor)
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Good day people. I have my own midi karaoke software with option to export midi text/karaoke lyrics 
to simple plain ASCII txt format (not words but lines). Many years ago I added export to Microsoft smi 
(closed captions) format. That export also included creation of html file which have style definition 
and embedded WMP9 control. That smi works with wmv, wma, mp3, mid/kar. After that I included 
export to lrc text format (subtitles for audio), simple and extended format. Recently I added export 
to srt subtitle format (simple-one line, extended-two lines on screen and karaoke style srt). Karaoke 
style is not what you wrote in this document. On desktop media player MPC-HC will play srt subtitles 
in karaoke way (paint singing word in different color, first line is current and second line is next text 
to sing). Now I added export to vtt subtitles format and can not find any web media player or browser 
that will show vtt subtitles in karaoke style. I can send you video and all four formats and you can 
forward that zip to any developer interesting in support for style and format options in vtt subtitles. 

I put demo (http://www.instant-singlica.asia/video/pm_demo.html) with video.js which will show 
two lines of text (second line is italic and in different color, here only italics). Please give me 
full demo of how htnl file should look like. In my vtt I have <c.fc_Red> which mean (font color = Red). 
When we talking about style coding in html file question is: who is responsible for that coding? In this case 
I have to create not only subtitles (vtt) but also html file or I am missing something here. What is 
a role of web browser in this case? Can one man make better web media player than a team like 
Google or Microsoft? 

Thank you for your answer. 
kind regards, nino
Nino Rilovich from Zagreb, Croatia