What is the name a digimon music ?

What is the name of the digimon song that was played on Digimon Adventure Movie 2 - Bokura no War Game ( Digimon The Movie 2 - Our War Game ) at the very beginning?
( Clue: It was also played very softly is the beginning of Digimon Adventure 02 - Movie 4 (REVENGE OF DIABOROMON / DIABLOMON STRIKES BACK )

The song that was played at the opening credits of Bokura no War Game is "Butter-Fly", which is the opening theme song of the "Digimon Adventure" TV series. Though it's a special version of "Butter-Fly" made for the movie.

I think it was played after Diablomon's DigiTama hatched, then continue on with Koushirou running to tell Taichi about the news and we saw all the other Chosen Children doing their own businesses.

A similiar movie opening was used in the fourth Digimon movie, "Diablomon no Gyakushu", since the movie is a sequel to "Bokura no Wargame".


Oh yeah, there's also one music that is regulary used in Digimon Adventure and Digimon Adventure 02.

It's not a Digimon music, since it's an existing classic music.

It's Maurice Ravel's "Bolero". It start slowly and then go for a climax at the end.

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