Sacred and Profane, Op. 91, is a collection of 'Eight Medieval Lyrics' for unaccompanied voices in five parts (SSATB) composed by Benjamin Britten in 1974-5. The texts are in Medieval English.
The work was first performed by the Wilbye Consort of Voices, for whom the work was composed, on 14 September 1975 at The Maltings, Snape in Suffolk, England (Elaine Barry & Rosemary Hardy, sopranos, Margaret Cable, contralto, Nigel Rogers, tenor, Geoffrey Shaw, bass), directed by Peter Pears.