[1] Set for three-part treble choir and organ, it was first performed at London's Roman Catholic Westminster Cathedral on 22 July of the same year.

[6] The central "Qui Tollis" juxtaposes F major against the prevailing D / F-sharp bitonality and contrasts short phrases for solo voice with those for tutti unison.

The Sanctus in 3/2 presents a twelve-tone melodic line dominated by the interval of a perfect fourth, and shared between the three enharmonically overlapping voices.

[7] The "Pleni sunt caeli" section features free imitative polyphony in the voices with the original twelve-tone melody transferred to the organ pedals.

The closing Dona Nobis Pacem builds to fortissimo; it is set with hammered repeated notes and overlapping intervals of a second between the voices.