Take Joe Hisaishi's works as an example.

Inside the castle, Adagio for Life and Death can be used, which has the feeling of desolation set off by violin, and there is deep wind music in the middle to symbolize the glory and glory of the past.

The romantic part of the castle appearance can be Joe Hisaishi's birthday.

In the nightmare part, constraints can be used to describe the psychological entanglement and anxiety of the characters.

The devil's fruit part can be represented by the fierce and fast-paced violin and piano sound in the East, and the devil's power is suitable for describing the fierce fighting part.

Specific to the characters,

A beautiful princess can use Will To Live or Sanhe to be quiet and elegant in the deer god forest, or use the following song, which is the music box version of Sky City/news/xiangnv/2007love/images/qingren.mp3.

The prince can use this song, and the trumpet part represents justice and courage.

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The theme song of the ghost princess can be accompanied by a female voice bel canto, which has a sense of holiness.

Witches can use the undead world, which is very suitable for extremely evil characters.