Before he was pop music's sweetest, gentlest jack-of-all-trades, Zedd was an enfant terrible of the EDM scene, doling out big, buzzing festival anthems. With its twists and turns, “Shave It Up” exemplifies his giddy complextro style, while the vertiginous drop of “Adrenaline” makes its title self-evident. With the twinkling “The Legend Of Zelda,” he pays winking tribute to his gamer roots.