Since you are using youtube to learn songs on guitar, you might try this out (I ...

tim333 · on Jan 28, 2015

That's cool. What did you use to slow the music/vid?

notdan · on Jan 28, 2015

The YouTube slowdown is just using the YouTube API. For mp3, it is using the html5 file and audio Apis, and a JavaScript port of the sound touch library. Everything is done in client side javascript, there is currently no application server, just a static site.

tim333 · on Jan 29, 2015

Thanks for the info. I was thinking of building something doing somewhat similar stuff but I think it'd have to be sever side in my case.