Digimon 4

The original key of the opening theme song for Digimon Season 4 is E-flat major. It was composed by Kousuke Yamashita and performed by Michihiko Ohta. The song is titled "The Biggest Dreamer." A trivia about this song is that it was the final opening theme for the Digimon Adventure series. The melody of the song is energetic and uplifting, featuring catchy rhythms and memorable lyrics that reflect the adventurous spirit of the show.