Great Days
Karen Aoki and Daisuke Hasegawa
created by
Pain in the Brass"Great Days" is the third opening of JoJo's Bizarre Adventure: Diamond is Unbreakable and the seventh overall opening of the JoJo's Bizarre Adventure anime. The song is performed by the jazz vocalist Karen Aoki and Daisuke Hasegawa and composed by Yugo Kanno. The single was released on October 19, 2016.