MOSTLY MOZART FESTIVAL (Various Lincoln Center locations through Aug. 27) The festival’s golden anniversary is celebrated with highlights including “The Illuminated Heart: Selections From Mozart’s Operas,” a video and live music presentation, and interpretations of his music by the Emerson String Quartet and pianist Emanuel Ax, violin soloist Joshua Bell and the Mark Morris Dance Group, along with “Mozart Forever,” an exhibition on the festival’s 50 years. 212-875-5456,

NEW YORK PHILHARMONIC BIENNIAL (80 N. Sixth St., Brooklyn, Tuesday; Rose Theater, Jazz at Lincoln Center, June 9) Two world premieres commissioned for the biennial are by Lisa Bielawa, 2009 Rome Prize winner for musical composition. Violinist Jennifer Koh performs “Viro Caprice” at National Sawdust. The San Francisco Girls Chorus, Brooklyn Youth Chorus and The Knights perform “My Outstretched Hand” at the Rose Theater, where a Philip Glass piece with text by Allen Ginsberg makes its New York premiere. 212-875-5656,

ALVIN AILEY AMERICAN DANCE THEATER (David Koch Theatre, Lincoln Center, June 8-19) The company performs the world premiere of “Deep,” choreographed by Mauro Bigonzetti, the new artistic director of Italy’s La Scala Ballet, and “21st Century Voices,” featuring some of the newest pieces in the Ailey repertory. 212-496-0600,

TWYLA THARP DANCE (Joyce Theater, 175 Eighth Ave., Manhattan, July 11-23) The multi-award-winning choreographer brings her company back to the Joyce for the first time in nearly 12 years with a mixed bag of signature pieces, such as “Country Dances” from 1976, to a new work set to Beethoven’s Opus 130 performed by Tharp principal dancer Matthew Dibble. 212-242-0800,

PARADISE INTERRUPTED (Lincoln Center Festival, Gerald Lynch Theater, 524 W. 59th St., Manhattan) A new work described as part opera, part art installation marries a score by Chinese-born composer Huang Ruo and visual artist Jennifer Wen Ma, Emmy winner for the 2008 Beijing Olympics opening and closing ceremonies. With Qian Yi, acclaimed as China’s opera princess, in the role of Eve, “Paradise” re-imagines in Ming Dynasty idioms the Garden of Eden original sin. 212-721-6500,

FIRE ISLAND DANCE FESTIVAL (Dancers Responding to AIDS, Fire Island Pines, July 15-17) The benefit held at a home with a stage overlooking Great South Bay features Ballet Contemporeano de Camaguey Cuba this summer as well as Dance Theater of Harlem, a pair of Alvin Ailey dancers premiering a duet, and Keigwin + Company choreographed by Wading River native Larry Keigwin. 212-840-0770, ext. 268,

FREE PHILHARMONIC CONCERTS (Islip Arts Council, Heckscher State Park, East Islip, July 16; Huntington Arts Council Summer Arts Festival, Heckscher Park, Huntington, Aug. 13) Musicians collectively known as the Long Island Philharmonic before its demise in February get back together for two outdoor performances — perhaps more if backers step forward. Islip Arts’ “Honor Our Hometown Heroes” concert features a 40-piece orchestra, soprano Christina Chirumbolo and fireworks. Tentatively called the Concert Orchestra of Long Island, a smaller ensemble of former Philharmonic musicians plays an all-classical program in Huntington — both concerts conducted by David Stewart Wiley. 631-224-5420, 631-271-8423,

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A WINTER’S TALE (Lincoln Center Festival, David Koch Theater, Lincoln Center, July 28-31) Christopher Wheeldon, 2015 Tony winner for “An American in Paris,” choreographs this Shakespeare romance set to Joby Talbot’s score for the National Ballet of Canada. 212-721-6500,

ETHEL (Huntington Arts Council Summer Arts Festival, Heckscher Park, Huntington, July 29) Self-described as the “string quartet of now,” violinists Kip Jones and Tema Watstein, violist Ralph Farris and cellist Dorothy Lawson perform adventurous classical pieces by such contemporary composers as Philip Glass and Marcelo Zarvos. 631-271-8423,

BRIDGEHAMPTON CHAMBER MUSIC FESTIVAL (Bridgehampton Presbyterian Church and other locations, July 31-Aug. 28) With a dozen programs in five weeks, the festival founded and directed by flutist Marya Martin has become Long Island’s leading chamber event of the year — not just the summer. This season’s highlights include “Mozart: A Portrait in Music and Words” narrated by Alan Alda, Bach’s Brandenburg Concertos in the sculpture garden of Channing Daughters Winery and “Unfinished Business” at the Parrish Art Museum, amplifying its exhibit of the same title asking, “When is a piece finished?” 212-741-9403, 631-537-6368,