Ms. Neblett began her career in 1964, at the age of eighteen, as a soloist with the Roger Wagner Chorale, making her professional debut at Carnegie Hall in Handel's Oratorio Esther. That same year, Ms. Neblett also appeared as the Angel in Respighi's Laud to the Nativity at the Los Angeles Music Center. From 1965 to 1969, under the guidance of impresario Sol Hurok, Ms. Neblett toured the world performing recitals, oratorio and symphonic concerts.
Ms. Neblett made her operatic debut in 1969 with the New York City Opera as Musetta, in La Boheme. Amidst huge acclaim, she performed over twenty-five leading roles with the company over the next five years. Critical triumphs included the dual roles of Margherita and Helen of Troy in Boito's Mefistofele. Her performance of Korngold's Die Tote Stadt was so successful that it was subsequently recorded with the renowned Erich Leinsdorf conducting, and won a number of coveted awards, including a Grammy in 1975.
Ms. Neblett's signature roles include Puccini's Tosca as well as Minnie in The Girl of the Golden West. In 1976 she made her debut at the Lyric Opera of Chicago as Tosca with Luciano Pavarotti, and has sung this role more that 400 times. Ms. Neblett was invited to sing Minnie with Placido Domingo for Queen Elizabeth's 25th Jubilee Celebration at Covent Garden, which was filmed live as well as recorded. Ms. Neblett made her Metropolitan Opera debut in 1979 as Senta in Jen-Pierre Ponelle's production of Der Fliegender Holländer, conducted by James Levine. Throughout her career, Ms. Neblett sang regularly with the Met in productions such as Tosca, Don Giovanni, Manon Lescaut, Un Ballo in Maschera, Falstaff, and La Fanciulla del West. In the 1993-94 opera season, she celebrated her 25th operatic anniversary by reviving her role as Musetta.
Throughout the world's major opera houses, Ms. Neblett has sung more than eighty-five leading roles and more than 100 oratorio and symphonic works. Her recordings include Musetta in La Boheme for Angel/EMI, James Levine conducting; Minnie in La Fanciulla del West with Placido Domingo and Sherrill Milnes, Zubin Mehta conducting (DG); Marietta in Korngold's Die Tote Stadt, Erich Leinsdorf conducting (RCA); Mahler's Symphony No. 2 with Claudio Abbado and the Chicago Symphony Orchestra; and a special recording with Roger Wagner on Angel/EMI entitled Magnificat. In celebration of the 100th anniversary of the Chicago Symphony Orchestra, a compact disc was issued of Ms. Neblett singing Soprano No. 1 in Mahler's Symphony No. 8, James Levine conducting. She is featured in "James Levine's 25th Anniversary" with the Metropolitan Opera, singing the role of Alice Ford in Falstaff with Giuseppe Taddei; an international television broadcast of Beethoven's Ninth Symphony with Maestro Carlo Maria Giulini; television broadcast from the Kennedy Center, A Tribute to George London, subsequently released on RCA.
Ms. Neblett is currently on the vocal staff as Artist-in-Residence at Chapman University. She conducts master classes for young artist programs worldwide, concentrating on role preparation for the professional singer, as well as maintaining a private studio in the Los Angeles area.