The Orchestra of Northern New York celebrates its 30th anniversary when it presents its 2017-2018 season beginning this weekend. The 55-piece orchestra, under the baton of founding music director and conductor Ken Andrews, is the North Country's only year-round professional symphony orchestra.The orchestra will perform works by Beethoven, Brahms and Mozart on Saturday, 7:30 pm, in SUNY Potsdam's Hosmer Hall, and on Sunday, 3:00 pm, at First Presbyterian Church in Watertown.Todd Moe spoke with Ken Andrews about this weekend's concerts, and 30 years of live orchestra music. Andrews says he started the ensemble back in 1988 as a chamber orchestra as a way for musicians in upstate New York to play together on a professional level.