The Mark Wood Experience - 7 p.m., Mohegan Sun Wolf Den; free.

The Manhattan Transfer - 7:30 p.m., Mohegan Sun Cabaret; $50; 886-0070.

”Opening Night” - 2 p.m., The Granite Theatre, 1 Granite St., Westerly; $11-$18; granitetheatre.com.

Harkness Family Day - 11 a.m.-4 p.m., Harkness Memorial State Park, 275 Great Neck Road, Waterford; free; 444-5848.

Arboretum Guided Tours - 2 p.m., meet at the Blue Sculpture in front of the Olin Science Center, Connecticut College, Mohegan Avenue., New London; free; 439-5050.

Sabino's Centennial Celebration - 5:30 p.m., Mystic Seaport, Route 27, Mystic; a 90-minute cruise on the Mystic River while listening to Maggie Jones discuss “Birds, Butterflies and Beaches: A Naturalist's View from the Water”; $19.08; 572-5351.

Swing Dance - 7-10 p.m., Frohsinn Hall, German Club, Greenmanville Avenue, Mystic; all ages and abilities; $6; shorelineswingCT.org.

Author - 9 a.m., Mystic Hilton, 20 Coogan Blvd., Mystic; PC McCullough, author of the novel “Perfect”; free and open to the public; 572-0731.

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