VIVA VIVALDI: The Vocalis Chamber Choir, under the direction of James Burritt, performs with the Ars Nova Chamber Orchestra, under the direction of Marylouise Nanna, at the Viva Vivaldi Festival at 6:30 p.m. today in First Presbyterian Church, 1 Symphony Circle. Performances feature sacred music by Antonio Vivaldi and others and include a performance by BPO principal flutist Christine Bailey Davis playing a concerto by Vivaldi. Tickets are $11. Call 662-3598 or visit www.arsnovamusicians.com
ORIGIN OF SPECIES HIKE: Beaver Meadow Audubon Center, 1610 Welch Road, North Java, will present Origin of Species, a hike with naturalist Mark Carra on the long trail at 10 a.m. Wednesday. He will discuss the possible origin of horses. Donation is accepted. For more information or to preregister, call (585) 457-3228 or email email@example.com.
SPAGHETTI DINNER: Boy Scout Troop 864 of Lancaster will hold its annual all-you-can-eat spaghetti dinner from 4:30 to 8 p.m. Saturday in the Lancaster Elk's Lodge, 33 Legion Drive. Tickets are $7 for adults and $5 for children 10 and under.
MIDDLEPORT: Members and guests of the Book Club at the Royalton-Hartland Community Library will be getting into the holiday spirit as they discuss holiday-themed fiction during a meeting at 7 p.m. Dec. 3 in the upstairs Community Room at the library, 9 Vernon St. Library Director Rose Bernard said all adults are welcome to attend and share their seasonal favorites. For more information, call 735-3281 or visit the library. Program updates are posted online at www.RoyHartCommunityLibrary.com.