A benefit concert to support the St Mary Treblemaker's participation in Ireland's prestigious Cork International Choral Festival. Plainville United is a collection of some of the finest musicians in Northumberland County: Shannon Linton, Lucas Marchand, Whitney O'Hearn, Jakeb Daniel, Tyson Galloway and David Schotzko.. What do they play? Mostly covers, but not your usual suspects. Some Fleetwood Mac, sure, but also some Sufjan Stevens, a little Lake Street Dive, a little bluegrass Schubert…all imbued with incredible vocal harmonies and unbelievable instrumentals.