The Napa Valley Dance Center presents “The Art of Dance” this weekend at St. Helena High School. Dancers will be performing ballet, jazz and tap routines at 1 and 7 p.m., under the direction of Sandy Nugent and her son, Scott Nugent.

Tickets are available at the Napa Valley Dance Center, 950 Pearl St., along with information about summer sessions. Tickets will also be sold 30 minutes prior to the show. Info, 255-2701.

Register columnist Bill Pramuk, (“Trees & People”) is among the 55 singers performing Saturday when the North Bay Opera Theatre Ensemble presents “The Music of Victor Herbert.” at 3 p.m. at the First Methodist Church, 625 Randolph St., Napa. The ensemble is directed by Sam Schieber.

Herbert was born in Ireland in 1859, raised in Germany and found fame in America as a composer of musical theater. The concert will include selections from “Naughty Marietta,” “Babes in Toyland” and “Natoma” along with choral music and popular songs from Herbert’s era. The finale will be Herbert’s “The Call to Freedom,” a composition for chorus and soprano solo written in 1918.

Tickets are $10 at the door.

Friends of Napa’s Oxbow School, including founders Ann Hatch and Robert and Margrit Mondavi, raised $245,000 for scholarships at a gala dinner June 2.

The eight-year-old school’s annual “Celebration of an Artful Life” honored Oxbow trustee Christopher Brown, an acclaimed Bay Area painter and printmaker.

Brown’s “Little Blue Run” was the top money-maker at the dinner’s live auction, gaveled by celebrity auctioneer Fritz Hatton. Howard and Mary Lester of San Francisco bid $38,000 for Brown’s 30-inch-square pastel on paper.

Children ages 4 to 10 and their adult companions are invited to join other families for an interactive tour of the di Rosa Preserve galleries and grounds followed by an art-making workshop at the ArtisTree program the third Sunday of each month. The cost is $15 for a family (up to five people), $10 for members. To reserve a place call 226-5991, ext. 47.

The theme for Sunday’s workshop is “Forming the Figure.” Inspired by the colorful sculptures of Viola Frey, families will create their own sculptures by forming clay and embellishing them with splashes of color.

Coming up July 15 is “Lucky Junk.”  Families will view the whimsical works of David Best and then create art out of found objects. Aug. 19 in “Landscape Painting” families will study the natural surroundings at the Preserve and create landscape paintings with watercolor.