The Folk Music Society of N.Y. puts on a Festival of Traditional Music. It has been in November, but may be in October in 2009. It may be outside the city this year. It has outstanding music. Look at www.eisteddfod-ny.org or www.folkmusicny.org.
    In Brooklyn, N.Y. the Park Slope Jamboree, put on by Jim Reems at the Ethical Culture Society is a fantastic Old Time & Bluegrass festival in September.