(HUDSON, N.Y.) – Canadian punk-country band the Sadies, which celebrated its 20th anniversary last year, brings its melodic, hard-rocking alt-country to Club Helsinki Hudson on Friday, March 20, 2015, at 9pm. The Sadies are the missing link between fellow Torontonians The Band and punk-country pioneers like the Mekons and X. Formed in Toronto in 1994,…