The late fifteenth and early sixteenth centuries were a time of great musical innovation and achievement. One of the most important of the achievements was the development of the so-called cyclic Mass. (A cyclic Mass is a Mass setting whose components are united by a common musical theme).
Perhaps because it was in many ways a logical development of the great English tradition of the Festal Mass English composers – in particular Robert Fayrfax and Nicholas Ludford were at the forefront of this musical innovation. Missa O bone Ihesu epitomises this form of the Mass and takes it further. It is unusual amongst Fayrfax's Masses in three ways: