In the British journal 'Tempo' this work is described as having '...made a deep and lasting impression' and that 'Kleiberg weaves an angry expressionistic line of immense power and virtuosity'.

In addition to the parts from the Latin Mass, new texts by the Scottish poet and play writer Edwin Morgan are included.

Poetic images often give rise to musical associations, and these imagined sounds and sound-textures form the basis of the inspiration for the composer's work.

One excellent example of this is the hour-long 'Rosevinduet' (‘The Rose Window’) for narrator and chamber orchestra, commissioned by the Olavsfestdagene in Trondheim in 1992, and later released on CD.

His opera oratory David and Bathsheba also saw a Nidaros Cathedral premiere in 2008 to critical acclaim and has since seen a number of international performances.