Like much of the world, the Happy Valley—as locals justly style this five-college Arcadia—may have slipped a bit lately in fulfilling its eudaimonic quota. How timely, then, is this iterated blast of Gypsy jazz, delivered in a breezy, salubrious setting by guitarist and Reinhardt avatar Stephane Wrembel. Choose patio, field, or the open-air barn, where advance tickets secure a whole bench for you and your epidemiological pod. —E.E.