The August 1, 2010 broadcast of Music Jump was the first half of the
Shinseiki Anison SP3. The second half was aired on August 8, 2010.

The seiyuu that appeared (performed on stage or video clips shown) on 8/1
were as follows.

    Nanjou Yoshino (fripside)
      They showed some video clips of fripside's radio show.
      fripside performed live and sang "Only My Railgun".
    Chihara Minori
      They showed a "making of" video of Minori's latest promo video,
      which was shot in Okinawa.
      Minori performed live and sang "Freedom Dreamer".
    Mizuki Nana
      They showed some clips from Nana's Seibu Dome Concert.
      (Nana singing and dancing "Heartcatch Paradise".) 

In addition to the seiyuu, Takahashi Youko sang "Zankoku na Tenshi no Teze". 

The seiyuu that appeared (performed on stage or video clips shown) on 8/8
were as follows.

    Mizuki Nana and Tamura Yukari
      Nana and Yukari performed together and sang "Innocent Starter"
      and "Lttle Wish -lyrical step-"
    Makino Yui
      They showed some clips of Yui's appearance on an Internet TV program.
      Yui sang "Yuuforia"
    Tamura Yukari
      They showed some video clips of Yukari's fan club event at Yomiuri Land.
      Yukari sang "Oshiete A to Z"
    Mizuki Nana
      Nana sang "Don't Be Long"

In addition to the seiyuu, Takahashi Youko sang "Tamashii no Refran". 

The web pages (with some screenshots) are at

  http://www.usagi.org/doi/seiyuu/tv/music-japan/20100801.html
  http://www.usagi.org/doi/seiyuu/tv/music-japan/20100808.html

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