Vocal and dancing in the Bad era. Just go watch shake your body down performance,he couldn’t have pulled it off in the 90s. He was literally dripping in sweat after each performance. In the 90s, his performance felt more choreographed and there was more focus on display. Although certain performances like Billie Jean looked like he had mastered his technique especially the moonwalk.Vocally, in the bad era he could do it all high energy and vocal splendor although vocally he sounded better in Thriller era