Anime Boston announced that producer Yuki Kajiura and musical group Kalafina will be Guests of Honor at the event.

Kajiura is a Japanese composer and music producer who has provided the soundtracks to a number of anime titles, including Noir, .hack//SIGN, and Tsubasa Chronicle. She made her musical debut in 1992, as part of the all-female trio See-Saw, along with singer Chiaki Ishikawa and Yukiko Nishioka. See-Saw reunited in 2001, and has been producing music since. Aside form See-Saw, Kajiura has kept her pet project, FictionJunction, which are a series of collaborations with female vocalists. The best known of Kajiura's FictionJunction collaborations was the first: FictionJunction YUUKA, in which Kajiura partnered with Yuuka Nanri. FictionJunction YUUKA produced singles for Madlax and Mobile Suit Gundam SEED, among other titles.

Kalafina is the latest project from Kajiura that was formed in 2007 mainly to produce songs for the anime Kara no Kyoukai. The group consists of four singers: Keiko Kubota, Wakana Ootaki, and Hikaru, and Maya. Kubota and Ootaki were originally members of FictionJunction KEIKO and FictionJunction WAKANA, respectively. The group made its debut in January 2008 with Kubota and Ootaki. Maya and Hikaru were chosen from an audition held by Sony Music Japan and Yuki Kajiura. Over 30,000 participants attended the audition.

Since their formation, Kalafina produced an album, and four singles. Kalafina's newest album, Seventh Heaven, will hit Japanese stores on March 4, 2009.