Music --The Willows bring to the Middle East Upstairs a brand of Americana country rock inspired by the seasonal carnival scene up in Salem. Alas, no salt water taffy is included in the price of admission. With The Vic Morrows, The Resonance, The Giant Melons. Middle East Upstairs, 472 Massachusetts Ave., Cambridge, doors 9:00, 18+, $8. --While the show has been sold out for weeks, if there's any way you can get in we......