I watched the first few episodes of the Idolmaster TV,
but I gave up.  But some of the songs are pretty good.
This is the OP to the TV anime.

Web page at

  http://www.usagi.org/doi/seiyuu/cd/idolmaster/ready.html

--

Ready!! (765Pro Allstars)
COZC-583
released 2011.08.10
1800 yen

This CD+DVD package contains the opening song to the TV anime THE IDOLM@STER.

The tracks are as follows.

   1. Ready!! (M@STER VERSION) [765Pro Allstars]
   2. Otona no Hajimari
      [Minase Iori, Takatsuki Yayoi, Futami Ami, Futami Mami]
   3. Omoide no Hajimari [Amami Haruka, Kikuchi Makoto, Hagiwara Yukiho]
   4. Ready!! (M@STER VERSION) Instrumental 

Songs by Amami Haruka (Nakamura Eriko), Hoshii Miki (Hasegawa Akiko),
Kisaragi Chihaya (Imai Asami), Takatsuki Yayoi (Nigo Mayako),
Hagiwara Yukiho (Asakura Azumi), Kikuchi Makoto (Hirata Hiromi),
Futami Ami (Shimoda Asami), Futami Mami (Shimoda Asami),
Minase Iori ( Kugimiya Rie ), Miura Azusa ( Takahashi Chiaki ),
Shijou Takane (Hara Yumi), Ganaha Hibiki (Numakura Manami),
Akizuki Ritsuko (Wakabayashi Naomi).

The DVD contains a non-credit version of the opening animation,
and some seiyuu clips.

There is some talk by Nakamura Eriko, Hara Yumi, Asakura Azumi,
Numakura Manami. They introduce the Idolmaster series.

There is also some clips from the Idolmaster event on June 25, 2011
at Tokyo Dome City Hall. They sing "Ready" and "Go My Way".
Nakamura Eriko, Hasegawa Akiko, Imai Asami, Hara Yumi,
Wakabayashi Naomi, Numakura Manami, Nigo Mayako, Hirata Hiromi,
Shimoda Asami, Asakura Azumi. 

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