Edo de Waart (m. 1970s, div. 1970s)
Siebe Riedstra (m. 1975)
Roberta Alexander (March 3, 1949 – October 14, 2025) was an American operatic soprano. She began her career as a lyric soprano in 1975 and spent the next three decades performing principal roles with opera houses internationally, based in the Netherlands. She was celebrated for her performances of Mozart characters like Elettra, Fiordiligi, and Countess Almaviva, performed first at the Opernhaus Zürich with Nikolaus Harnoncourt conducting. She was a leading soprano at the Metropolitan Opera from 1983 to 1991, particularly successful with roles such as Mimì in Puccini's La bohème and the title role in Janáček's Jenůfa. She later performed secondary character roles and taught voice.
Alexander studied music at Central State University and the University of Michigan in Ann Arbor, completing a master of music degree in 1971. She then moved to the Netherlands at age 23, where she studied at the Royal Conservatory of The Hague with Herman Woltman. She made her debut at the Dutch National Opera in 1975 in a students performance, as Fanny in Rossini's La cambiale di matrimonio. Later that year she created the role of Bubikopf in the world premiere of Viktor Ullmann's Der Kaiser von Atlantis. Other early roles with that house included Princess Ninetta in Prokofiev's The Love for Three Oranges, the Second Woodnymph in Dvorak's Rusalka, and the Fifth maid in Strauss's Elektra. She created roles, in Hans Kox[nl]'s Dorian Gray in 1977, and in Peter Schat's Houdini in 1981. Her first lead role there was in 1979 Pamina in Mozart's Die Zauberflöte, followed by Marzelline in Beethoven's Fidelio in 1981 and the title roles of Verdi's La traviata in 1984. She performed with the Dutch National Ballet in Life in 1979 and Vier letzte Lieder in 1981, in choreographies by Rudi van Dantzig. She stated she found more freedom as a Black performer in the Netherlands than in the United States. Her career took off in Switzerland from 1978.
In 1980, Alexander made her American debut as Pamina in Mozart's The Magic Flute with the Houston Grand Opera. That same year she first performed at the San Francisco Opera as the Witch/Anne Sexton in Conrad Susa's Transformations. At the Santa Fe Opera, she performed her first title role in 1981, Strauss's Daphne conducted by John Crosby. She appeared in Mozart roles with the Zürich Opera, first as Elettra in Idomeneo in 1982, conducted by Nikolaus Harnoncourt who was the first to see her fit for that dramatic role rather than Ilia. He cast her as Fiordiligi in Così fan tutte directed by Jean-Pierre Ponnelle, after Lucia Popp became ill a few week into rehearsals. In 1989, she portrayed the Countess Almaviva in Le nozze di Figaro in 1989.
In 1982, Alexander made her debut at the Komische Oper Berlin as Mimì in Puccini's La bohème, a role she sang again for her debuts at the Royal Opera House in London in 1984 and the English National Opera in 1992. Alexander's debut at the Metropolitan Opera (Met) was in 1983 as Zerlina in Don Giovanni. in 1985, she portrayed there Bess in the company's first production of Porgy and Bess, alongside Simon Estes. She returned to the Met in the title role in Janáček's Jenůfa (1985, 1986), as Vitellia in Mozart's La clemenza di Tito (1987, 1991), as Mimì in La bohème (1987), as well as Antonia in Offenbach's The Tales of Hoffmann (1987), Countess Almaviva (1988, 1989), Donna Elvira in Don Giovanni (1990), and the Fifth maid in Elektra (2016).
In 1985 she gave her first of several performances at the Theater an der Wien as Cleopatra in Handel's Giulio Cesare, and sang Donna Elvira for her debut at the Vienna State Opera in 1986. In 1989 she gave a lauded portrayal as Jenůfa at the Glyndebourne Festival, and returned there as Vitellia in 1995. She performed and recorded several works with Nikolaus Harnoncourt and the Concentus Musicus Wien, including the title role in Handel's Theodora in 1990 and as Daphne in Handel's Apollo e Dafne in 1992. In 1994 she portrayed the title role in Berthold Goldschmidt's Beatrice Cenci at the Opernfest in Berlin. In 1997 she appeared as Donna Elvira at the Florida Grand Opera. In 2004 she created Hannah Pitt and other characters in the world premiere of Péter Eötvös's Angels in America at the Théâtre du Châtelet in Paris.
Alexander was married twice. Her first marriage was to conductor Edo de Waart in the early 1970s, and ended in divorce. She married orchestral manager Siebe Riedstra in 1975.
Alexander died from a heart attack in Amsterdam, on October 14, 2025, at the age of 76.
Handel: Samson – Anthony Rolfe Johnson, Roberta Alexander, Jochen Kowalski, Christoph Pregardien, Alastair Miles, Maria Venuti, Arnold Schoenberg Chor, Concentus Musicus Wien, conducted by Nikolaus Harnoncourt (Teldec)
Hendrik Andriessen: Miroir de Peine, Magna res est amor, Fiat Domine – with the Netherlands Radio Chamber Orchestra led by David Porcelijn (NM Classics, 1992 – winner of the Edison Award )
↑The Concise Oxford Dictionary of Music, p. 13, Michael Kennedy, Joyce Bourne – 2004: "Alexander, Roberta (b Lynchburg, Va., 1949). Amer. soprano. Eur. début Netherlands Opera 1975. CG début 1980; NY Met début 1983; Salzburg Fest. 1986 ..."
↑Shirley Fleming (June 1993). "Handel: Apollo e Dafne. (Roberta Alexander, Thomas Hampson, Concentus Musicus Wien, Nikolaus Harnoncourt)". Opera News. Vol.57, no.17. p.43.