The August 1, 2010 broadcast of Music Japan 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) 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".)