For trivia pertaining to this monster's Number, see Forum:"Numbers" Xyz Monster Trivia. Any contributions regarding this type of trivia should be placed there, instead of this page.
- This card has the lowest ATK of any "Number C", tied with "Number C43: High Manipulator of Chaos".
- A Requiem is a Catholic service celebrating the souls of one or more recently departed persons. These masses are frequently accompanied by soulful or somber music composed specifically for the ceremony.
- This music reference contrasts with the name of this monster's pre-evolution– "Rhapsody"– which refers to a spontaneous, free-form piece of music.