The Northport Arts Coalition presents Happenings on Main Street- Long Island’s unique interactive street music program, featuring singer/songwriters, jazz, blues, swing, bluegrass, country, popular and open mic. Fridays, 7 PM, May 27 through September 2. Northport Village Park Patio at the Dock. All age appropriate. Lawn chairs/blankets suggested. Weather permitting. Free. www.northportarts.org. Email:Happenings2011@aol.com.