Open Rehearsal, Hopewell Valley Chorus, 259 Pennington-Titusville Road, Pennington, 609-448-0615. www.hopewellvalleychorus.org. Introducing music for the May concert, “Rhythm of Life.” No auditions required. 7 p.m.
Evening Book Group, West Windsor Library, 333 North Post Road, West Windsor, 609-275-8901. “The Last Chronicle of Barset” by Anthony Trollop. 7 p.m.
Pink Pearl Night, Blue Point Grill, 258 Nassau Street, Princeton. www.bluepointgrill.com. Eight-course seafood meal benefiting YWCA Princeton’s breast cancer resource center. $125. Registration required. 6:30 p.m.
Monday Night Yoga, Hopewell Library, 245 Pennington-Titusville Road, Pennington, 609-737-2610. Bring a towel or yoga mat. Registration required. 6:30 p.m.
Nonprofit Educational Conference, Princeton Community Works, First Campus Center, Princeton University. www.princetoncommunityworks.org. Series of workshops for nonprofit boards, staff, and volunteers. Topics include emerging trends for nonprofits, how to start a nonprofit, digital media fundraising, how to get grants, and more. $35. Register. 5 to 9:15 p.m.
English as a Second Language, Plainsboro Library, 9 Van Doren Street, Plainsboro, 609-275-2897. www.lmxac.org. Free weekly conversation class. 7 p.m.
Winter Talk & Walk, Tulpehaking Nature Center, 157 Westcott Avenue, Hamilton, 609-989-6830. www.abbottmarshlands.org. “Birds, Bees, Butterflies and Blooms” presentation and guided walk by naturalist and photographer Mary Anne Borge. Registration required. 1 p.m.
Spaghetti Night at Vince's, Yardley Singles, 25 South Main Street, Yardley, PA, 215-736-1288. www.yardleysingles.org. All you can eat pasta. Register. 6 p.m.