Guster’s Ryan Miller, Fruit Bats’ Eric D. Johnson, Nada Surf’s Matthew Caws and The Long Winter’s John Roderick will join The Parkington Sisters for a series of collaborative performances in Nantucket and Martha’s Vineyard next month. The group—billed as Alone & Together—will perform at the Dreamland Theater in Nantucket on July 8 and 9 before heading to Union Chapel in Martha’s Vineyard on July 11 and the Old Walking Church, also in Martha’s Vineyard, on July 12. Tickets for the shows can be purchased at the venues’ websites.