Stage 2 : 妖怪宇宙旅行(Youkai Space Travel)
Stage 3 : 魔法使いの憂鬱(Magician's Melancholy)
Stage 4 : 夜だから眠れない(Can't Sleep Because It's Night), 天空の花の都(The Capital City of Flowers in the Sky)
Stage 5 : 過去の花 ~ Fairy of Flower (Flower of Past Days ~ Fairy of Flower)
Stage 6 : 未知の花, 魅知の旅 (Unknown Flower, Mesmerizing Journey)
Stage 6 Boss : 無間の鐘 ~ Infinite Nightmare (Bell of Avici ~ Infinite Nightmare)
Stage 6 True Boss : 明日ハレの日, ケの昨日(Tomorrow will be Special; Yesterday was Not)
They are quite the rare music.