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) for a solo soprano. Soprano and alto are divided in two parts, tenor and bass occasionally even in three. The music is dominated by a melody, first presented by the soprano, which begins on a long note and then undulates in even rhythm and diatonic steps, a melisma of two measures on the words "Agnus Dei". The other voices enter half a measure later on a chord, move to a different chord in measure 2 and sustain it throughout the measure, while the soprano holds its first note through measure one and moves only after the supporting chord has changed