Of course the latter ones don't exist when you're using DarkOne v2.1 (they are in v3.0(.1) only).
I don't know why you can't install v3.0(.1).
Maybe another incompatibility of 7zip. Or a missing dependency.
Please read this thread:
[link]Haven't thought about missing dependencies because on my Windows 7 it worked out-of-the-box...
You mus delete the old foo_lyricsgrabber and the old foo_python if you used it before.
THEN install foo_lyricsgrabber2.
Then import this script into your Lyrics panel:
[link](for v2.1 of course. No need to import anything in v3.0!)