Dadada

"Dadada" is the first opening theme of the 2011 anime series Beelzebub (べるぜバブ), performed by the band GROUP Tamashii. The song accompanies the series' OP 1 sequence, produced by the animation studio Pierrot Plus. It combines a J-Pop classification with an energetic rock style associated with anime opening themes.

"Dadada" was released as a single on January 26, 2011. Hiroshi Yamaguchi composed the music, while the lyrics were written by members of GROUP Tamashii. The song is part of the band's anime soundtrack contributions and serves as the opening theme for Beelzebub.