How many years does it take for something old to seem new again? For Long Island brothers Michael and Brian D’Addario, it’s about two or three decades. Fueled by forefathers Queen and Todd Rundgren, the duo pulls off references few are attempting presently, and does it extremely well. Prodigious musicianship and production help from Foxygen’s Jonathan Rado forged the wunderkinds’ (now 18 and 20) debut release. The bell-bottomed Beatles devotees wax tales of young love in grandiose style on “I Wanna Prove to You” and “As Long as We’re Together,” trailing back-and-forth vocal harmonies behind zany instrumentals. Do Hollywood offers a lesson in embracing both the origins and originality of modern rock & roll. (3:15pm, Miller Lite stage)

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