 For the series' 20th anniversary, a 20-disc box set of previously-released albums was produced, as well as an album of arrangements by Kenji Ito, composer for several games in the series.The music of "Final Fantasy Adventure" was composed by Kenji Ito, while Hiroki Kikuta composed "Secret of Mana" and "Trials of Mana" and Yoko Shimomura wrote the score to "Legend of Mana".The music of the "World of Mana" subseries, composed of "Children", "Dawn", "Friends", and "Heroes of Mana", was composed by many different composers, with Ito, Kikuta, Shimomura, Tsuyoshi Sekito, Masayoshi Soken, and Ryuichi Sakamoto composing "Dawn", Ito, Masaharu Iwata, and Takayuki Aihara writing "Children", and Shimomura composing the music of "Friends" and "Heroes".