
Quick answer — Chiaki Ishikawa worked on Simoun (Theme Song Performance), Majestic Prince (Theme Song Performance), Mobile Suit Gundam 00 the Movie: A Wakening of the Trailblazer (Insert Song Performance) and 3 more anime.
Chiaki Ishikawa worked on Simoun (Theme Song Performance), Majestic Prince (Theme Song Performance), Mobile Suit Gundam 00 the Movie: A Wakening of the Trailblazer (Insert Song Performance), Kamisama Dolls (Music), Mermaid Forest (TV) (Music), Mobile Suit Gundam Seed Destiny (Theme Song Performance).