I didn't like these songs that much.
I don't like the cover picture either.
Web page at

  http://www.usagi.org/doi/seiyuu/cd/toyosaki/mio2.html

K-ON!! Character Image Song
Mio Akiyama
PCCG-01066
released 2010.09.21
1365 yen

This CD contains character songs for the TV anime K-On!!

The tracks are as follows.

   1. 青春 Vibration [Seishun Vibration]
   2. 蒼空のモノローグ [Soukuu no Monologue]
   3. Come with Me! (澪 Ver.)
   4. 青春 Vibration (Instrumental)
   5. 蒼空のモノローグ (Instrumental)
   6. Come with Me! (Instrumental) 

Songs by Akiyama Mio (voiced by Hikasa Youko).

"Come with Me" has background vocals by Houkago Tea Time
[Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi, Nakano Azusa].

This CD single placed highly in the Oricon Daily Singles Rankings.
It peaked at number 1.  They did this by releasing this CD one day
ahead of the regular CD release schedule.
The next day this CD got knocked down to number 5.

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