Shimmering, immersive, and buoyed by a light sense of melancholy throughout, Is the Is Are is filled with stunning purpose, distilling the jangly shoegaze outfit’s early sound into something atmospheric but focused—despite its palatial, 17-track length. Highlights (including “Dopamine,” “Is the Is Are,” and the aching “Mire (Grant’s Song)”) don’t break the mood so much as surface like moments of clarity in the middle of a dream.