Lake Street Dive, formed at New England Conservatory in 2004, have pushed pop music as a unifying force, not only through its eclectic sound — a cross-pollination of soul, folk, jazz, classic pop, and more — but its ethos has also made them a beloved live band known for building a connection among every crowd. Ticket pricing: P1 Reserved (Sections 200 & 300) $99; P2 Reserved (Sections 100 & 400) $88; General Admission Lawn $64.