 Most significant among these compositions is a four-movement setting of the Ordinary of the Mass, including the Kyrie, Gloria, Credo, and Sanctus (there is no Agnus Dei in this particular set; it may have been lost).The movements are unified by a motto marked as "trumpetta," although it is unclear whether this was an expression marking or an actual indication for performance on a trumpet.Unification of a mass by "cantus firmus" writing was not to occur for another decade at least, most likely in England