Dellal has collaborated with many ensembles and appeared in many festivals throughout her career, including the
Boston Early Music Festival, Aston Magna, and the
Musicians of the Old Post Road. In opera, she appeared as Dido in Purcell's
Dido and Aeneas, as Bradamante in Handel's
Alcina, in Mozart's
La Clemenza di Tito as Sesto, in his
Così fan tutte as Dorabella, as Lucretia in Britten's
The Rape of Lucretia, as Erika in Barber's
Vanessa, and as Paulina in
John Harbison's ''Winter's Tale'' after
Shakespeare's play. In concert, she appeared at the
Kennedy Center first in Bach's
Mass in B minor, conducted by
Julian Wachner. She performed in 1989 at
SUNY Purchase music by Vivaldi with the Master Singers of Westchester conducted by Les Robinson Hadsell, his
Gloria,
Magnificat and
Beatus vir, alongside
Rosa Lamoreaux. She appeared at
Avery Fisher Hall in 1994 in Handel's
Messiah with the
Handel and Haydn Society, conducted by
William Christie. In 1995 she sang with them, conducted by
Christopher Hogwood, Bach's
Missa in G minor and Handel's
Dixit Dominus. She performed the premiere of a chamber work by Harbison, a
The Seven Ages, which she sang in Boston, London, New York and San Francisco. In 1995 she recorded music by
Hildegard von Bingen with the ensemble
Sequentia. She recorded
Bach cantatas with
Emmanuel Music, conducted by
Craig Smith, and wrote translations for their performances. In 2002 she recorded a song cycle by
Martin Boykan,
A Packet for Susan (2000), with pianist Donald Berman. She recorded Harbison's
WinterTale in 2012 with the
Boston Modern Orchestra Project. In 2013 she recorded rarely performed
Lieder, by
Fanny Hensel,
Hélène de Montgeroult and
Louis Spohr. She is widely regarded for her "clarity of diction in German". Dellal has been on the faculty of the
Boston Conservatory,
Brandeis University, and the
Longy School of Music of Bard College, where she teaches voice and diction. As a translator, she has translated Italian cantata texts from the 17th and 18th century, and several of Handel's operas. She has made English translations of all German text that Bach set to music. == References ==