This is the OP to K-On 2.
I prefer the ED.

Go! Go! Maniac
PCCG-70071
released 2010.04.28
1260 yen

This CD contains the opening song to the TV anime K-On!!

The tracks are as follows.

   1. GO! GO! MANIAC
   2. Genius...!?
   3. GO! GO! MANIAC (Instrumental)
   4. Genius...!? (Instrumental) 

Songs by Houkago Tea Time, voice by Toyosaki Aki, Hikasa Youko,
Satou Satomi, Kotobuki Minako, Taketatsu Ayana.
Main vocal by Toyosaki Aki.

The first press of this CD package contains individual CD jackets
of the girls.

This CD single, along with the ED single (Listen!) placed very highly
in the Oricon Daily Singles Rankings. It peaked at number 1.

--
Web page with jacket scans at

  http://www.usagi.org/doi/seiyuu/cd/toyosaki/kon2-op.html

--
Hitoshi Doi
                         " this space for rent "
http://www.usagi.org/doi/                                    doi@usagi.org