Agnus Dei (Barber) Jenkins included it on her 2008 album "Sacred Arias". In 2015, the Rotterdam Symphony Chorus made a live recording of Agnus Dei during a concert tour with the BBC Symphony Orchestra. Agnus Dei (Barber) Agnus Dei (Lamb of God) is a choral composition in one movement by Samuel Barber, his own arrangement of his "Adagio for Strings" (1936). In 1967, he set the Latin words of the liturgical Agnus Dei, a part of the Mass, for mixed chorus with optional organ or piano accompaniment. The music, in B-flat minor, has a duration of about eight minutes. Barber's "Adagio for Strings"
Agnus Dei (Barber) to a tension. A similar pattern follows in measures 5 to 8 on the words "qui tollis peccata mundi" (who takes away the sins of the world), moving down on "peccata mundi". The repetition of the call "Agnus Dei" is set as variation of the beginning, intensified by upward leaps of fifths and octaves, and by the solo soprano reaching the highest note of the piece, C-flat. Then the alto takes over the melody, marked "più f[orte] sempre espressivo" (somewhat stronger and always expressive), while the soprano sings "miserere nobis" (have mercy on us) for the first time on a