I wish it worked, because I'd have loved it.
(Spotify)

Seems like it may be abandoned. Nothing popped up and i couldn't find any options on spotify or youtube to show the lyrics

break popup youtube, so you cant change quality, subs language dll

break pop-up menues on youtube

Awesome for YT Music only issue is there is some kind of bug that interferes with the YouTube website menus. Every time I click on any menu in YouTube like Notifications or the save to playlist button, the menu immediately disappears. The only solution I have found is to disable this extension. Another reviewer mentioned this same issue. I hope this bug is fixed in the future.

Amazing! I was looking for this to see lyrics on YouTube Music. Please add support to Amazon Music too. They only support lyrics to pop music. A lot of lyrics are missing in their service.

Great addon. Tested on YouTube Music & Spotify.

Works great, but needs an option preventing auto-expand of lyrics window.

Very nice with Youtube Music. Thank you a lot!!!

Issue 1: with the extension on, when I click a button on YouTube main site, to change video resolution, notifications bell, etc., popup menus automatically hide in random time about between 0.5 and 2 seconds, making it tricky to use those popups. A workaround is to turn off extension when I use youtube.

Issue 2: doesn't seem to work on any other site than music.youtube.com site

Amazing extension! This is what I was looking for! Really deserve more recognition. Add auto scrolling and highlighting the part of lyrics being sung features would make this extension perfect.

Update:
Quick bug fix and now it works perfectly, just as intended. Lovely extension. Dedicated dev.

Original Issue:
Doesn't work for me at all. Not on music.youtube.com or youtube.com or open.spotify.com.
Maybe I'm doing something wrong but certainly doesn't seem so. Please fix it or suggest what to do to get this up and running.

SO, shortly after I made my original review of this addon, the developer replied to it saying that the problem had been fixed - and lo and behold, it had! Great addon, guys!

No issues until now.