O Christ Who Art The Light and Day I (SSATB) – Robert White
CPDL Scores in latin (Christe qui lux es et dies)
This recording is from the CD Brother Sun, Sister Moon recorded in 1988 by John Rutter and the Cambridge Singers on the American Grammaphone label.

O Sacrum Convivium for 4 voices – Thomas Luis da Victoria
CPDL Scores
This setting is one of four ‘cum paribus vocibus’ motets (with equal voices) originally pitched for trebles. They work beautifully for men an octave lower. The parallel voices here are the top three, which have exactly the same range.

Si Iniquitates Observaveris (TBB) – Samuel Sebastian Wesley
CPDL Scores