From dancing barefoot to disco balls, Grace Potter wants it all. On Friday at the first of two sold-out shows at the House of Blues, Potter and her band the Nocturnals bounced between the gritty and the slick in an occasionally disjointed but relentlessly energetic two-hour show.

Potter hasn’t so much transformed as piled on. The hippie-chick crunchiness of her early work still figured into the mix even as she’s taken on a more glamorous look and adopted a more polished sound.