For several years Dubra has given composition masterclasses at the Salzburg Sacred Music week. There is a tradition that participants write a short piece during the week of the festival for the final concert and in 2007 Dubra produced the brief motet
Felix namque es …. In that year the prerequisite was to set a Marian text, although at the peak of this simple homophonic work it is the words ‘Jesus Christus Deus noster’ (‘Jesus Christ our God’) that Dubra chooses to venerate.
from notes by Rupert Gough © 2009