foo_genius is a working Genius source for Lyric Panel 3.
Create an account on the Genius developers page.
Download foo_lyricsource and install it.
Go into your terminal, and run the following
cd C:\Program Files (x86)\foobar2000
git clone https://github.com/zyme-xd/foo_genius
echo > .env
Open .env
with notepad, and make it look like something upon these lines
APIKEY=keyhere
Save, adjust your lyric source hierarchy accordingly and you should be all set!
You can test the lyric searching capabilities by running the following in your terminal.
get_lyric.py --track "Be Nice 2 Me" --artist "Bladee"