The girl choristers of Salisbury and Winchester and the combined lay clerks
Featuring sacred music by J. S. Bach, Heinrich Schütz, Felix Mendelssohn, Jonathan Harvey and C. H. H. Parry
J. S. Bach – Singet dem Herrn BWV 225
Schütz – An den Wassern zu Babel
Mendelssohn – Hear my prayer
Harvey – I love the Lord
Parry – Lord, let me know mine end
See https://musicinportsmouth.co.uk/noticeboard/the-southern-cathedrals-festival-in-chichester for a general preview.