Music festivals abound in New York State in late June. Among those of note are Clearwater’s Great Hudson River Revival (June 20-21 in Croton-on-Hudson), Old Songs Festival (June 26-28 in Altamont), American Roots Music Festival at Caramoor (June 27 in Katonah) and Rockland-Bergen Music Festival (June 27-28 in Tappan). To continue reading this article, which also includes information about the Huntington and Falcon Ridge Folk Festivals that take place later in the summer, click on the headline.