At first, I didn't intend to use the [vocal] piece in the film [Godzilla vs. Mechagodzilla II]. I instead planned to use it only as a timing cue. So, I originally wrote it only with nonsense syllables. Since the piece was going to be sung by children, difficult words would not have been appropriate. Latin also wouldn't have worked. So, I decided to use Ainu. The Ainu live in Hokkaido, close to Adonoa Island.
I decided not to score GODZILLA VS. SPACE GODZILLA (1994) when I read the script for the film. The atmosphere was very different. However, when I read the screenplay for GODZILLA VS. DESTROYER, I discovered that it was directly related to GODZILLA — KING OF THE MONSTERS. There was even going to be footage from GODZILLA — KING OF THE MONSTERS in the movie! I felt that since I'd been involved in Godzilla's birth, it was fitting for me to be involved in his death.
There are two types of composers. Like Stravinsky, some always are aware of the instrument that will be playing a given melody. However, other composers do work out the orchestration only after they have finished composing. I'm like Stravinsky. I always write music with specific instruments in mind.