Disco Ball Laser Circus

you summon 3 floating disco balls that emit bright light in a 60-foot radius. The light is multi-- colored and flashing all targets that are within range of the spell must pass 3 dc saves or become blinded and stunned and take 3d6 damage per failed dc save. at each higher-level cast, you may summon an additional disco ball. While casting the spell, you must be dancing to the club music that plays while the spell is cast. The spell ends if you stop dancing or lose concentration.