Here are the latest Fenway neighborhood notes:

Opera masterpiece

Boston Baroque will perform Handel’s operatic masterpiece “Giulio Cesare” at 7:30 p.m. on Friday, April 21 and 3 p.m. on Sunday, April 23 at Jordan Hall, 30 Gainsborough St.

Soprano Susanna Phillips will return to Boston Baroque after her acclaimed performances last spring, this time making her role debut of Cleopatra. Countertenors Lawrence Zazzo and John Holiday will make their Boston Baroque debuts with Zazzo in the title role as Cesare and Holiday as Cleopatra’s brother Tolomeo.

For more details, visit www.bostonbaroque.org or call 617-4848-9200.

Mendelssohn and Brahms

The Handel and Haydn Society will perform in concert at the Isabella Stewart Gardner Museum, 280 The Fenway, at 1:30 p.m. on Sunday, April 23.

Members of the Society, with special guest soprano Margot Rood, will play the “Piano Trio in D minor” by Mendelssohn, “String Sextet in B Major” by Brahms as well as a variety of lieder by Mendelssohn and Brahms.

Tickets include general admission to the museum’s galleries and the special exhibition gallery.

Visit www.gardnermuseum.org or call 617-566-1401 for more information and to purchase tickets.

Mayor’s coffee hour

Mayor Martin J. Walsh and the Parks and Recreation Department will host the 19th annual neighborhood coffee hour from 9:30 to 10:30 a.m. on Monday, April 24 at the Victory Gardens, 20 Park Dr.

Residents will enjoy coffee and breakfast treats from Dunkin’ Donuts and Whole Foods Market while they discuss open space and recreational needs with the mayor.

There will be prizes, including gift certificates, swan boat rides, free downtown parking and gift baskets. Attendees will receive a flowering plant grown in the city’s greenhouses.

Call 617-635-4505 for more information.

Modern music

The Isabella Stewart Gardner Museum, 280 The Fenway, will present “Rise,” an evening of modern music, at 7 p.m. on Thursday, April 27.

The headliner will be vocalist Ruby Rose Fox with Bent Knee as the opening act. Littlefoot will be the community spotlight act.

Attendees are invited to come early to soak up the atmosphere of the courtyard garden and explore the art-filled historic building before the concert begins. A cash bar will be in courtyard from 5 to 7 p.m.

Tickets include general admission to the museum’s galleries and the special exhibition gallery.

Visit www.gardnermuseum.org or call 617-566-1401 for more information and to purchase tickets.

Family concert

The Boston Symphony Orchestra and the Boston Youth Symphony Orchestra will collaborate in the last Boston Symphony Orchestra family concert of the season at noon on Saturday, April 29 at Symphony Hall, 301 Massachusetts Ave.

The theme of the program is “Presto Chango,” with guest performer magician Matt Roberts. The orchestra will play selections by Leonard Bernstein, Richard Rodgers, Aaron Copland, Edward Grieg, Peter Warlock and Gioachino Rossini.

Pre-concert activities, including an instrument playground and instrument demonstrations, will be held from 10:30 to 11:30 a.m.

Children, ages 18 and under, are admitted free; tickets for adults are $20.

For more information and to purchase tickets, call 617-266-1200 or visit www.bysoweb.org

Muddy River cleanup

The Emerald Necklace Conservancy will host a cleanup of the Muddy River area from 9 a.m. to noon on Saturday, April 29, meeting at the Shattuck Emerald Necklace Visitor Center, 125 The Fenway.

Participants will join hundreds of volunteers who come together for the annual cleanup along the Muddy River and throughout the parks. A picnic will follow the morning’s activities.

Call 617-522-2700 or visit www.emeraldnecklace.org for further details.

World premiere

The New England Philharmonic Orchestra will present “A Child of Our Times” at 8 p.m. on Saturday, April 29 at the Tsai Performance Center, 685 Commonwealth Ave.

The highlight of the evening will be world premiere of Peter Child’s “Fanfare.” Also featured will be the “Violin Concerto No. 2” by David Rakowski, commissioned for the NEP, “Microsymph” by Sebastian Currier and the Boston premiere of “Oblivion” by Lilya Ugay. Violinist Danielle Maddon will be the guest soloist.

Further information can be found at www.nephilharmonic.org or by calling 855-463-7445

Healthy kids day

The Huntington Avenue YMCA, 316 Huntington Ave., will host a healthy kids day from 1:30 to 3:30 p.m. on Saturday, April 29.

The festivities will include face painting, giant Connect 4, aquatic safety, nutrition with staff from Tufts University, games, exercise classes and more.

Admission is free. Call 617-927-8040 or visit www.ymcaboston.org for more information.

Art in bloom

The 41st annual festival of fine arts and flowers will be held from 10 a.m. to 4:45 p.m. on Saturday to Monday, April 29 through May 1 at the Museum of Fine Arts, 465 Huntington Ave.

The galleries of the MFA will be transformed by 50 floral arrangements inspired by the museum’s works of art from Asian sculptures to European paintings.

Community day will begin at 10 a.m. on Sunday, April 30 with tours, performances and activities for people of all ages. Guided tours, lectures, tea with musical entertainment and floral demonstrations will take place Saturday and Sunday.

Renowned floral designer Ariella Chezar will offer master classes in floral design on Saturday and Sunday.

Art in Bloom is free with museum admission. Reservations are required for the floral demonstrations, teas and master classes. Tickets may be purchased online at www.mfa.org or by calling 617-369-3306.

‘Charlotte’s Web’

The Wheelock Family Theatre, 200 The Riverway, is presenting the children’s classic “Charlotte’s Web” at 7:30 p.m. on Fridays and at 3 p.m. on Saturdays and Sundays now through May 14. Performances on Friday, May 12 and Sunday, May 14 will be interpreted in ASL and audio-described.

Based on the beloved book by E.B. White, the play tells the tale of friendship and loyalty as spider Charlotte works a miracle with her web to save the young pig Wilbur.

For more information, visit www.wheelockfamilytheater.org or call 617-879-2300.

Nasturtium display

The Isabella Stewart Gardner Museum, 280 The Fenway, has opened its hanging nasturtiums display. The display will continue until the end of April and is free with museum admission.

Each April in honor of Gardner’s birthday, the museum heralds the arrival of spring with an installation of hanging nasturtiums, featuring 20-foot-long nasturtium vines and their orange blossoms cascading from the third floor balconies to the courtyard.

The annual display continues a tradition started by Gardner during the week before Easter, marking the return of color to Fenway Court.

Further information can be found by calling 617-566-1401 or online at www.gardnermuseum.org.