Directed and arranged by by John Harle and played by The Guildhall Saxophone Ensemble, with soloists Will Gregory, Simon Haram, Tim Garland and Tony Woods. The Music is by Claudio Monteverdi, Perotinius Magnus, John Harle, and Eddie Parker, with arrangements of other medieval works. Counter-tenor William Purefoy is featured on track 2 of the album, Sederunt.

All albums in The John Harle Collection are sold in aid of the Help Musicians Coronavirus Hardship Fund.