The movements are titled after four elements of Caravaggio's painting that stand out to me- Realism, Shadow, Vulgarity and Light. I also see these as elements of Mark Hetzler's performances. Although I have made many indications to steer the performer incertain directions musically, I also hope and expect that each performer will approach this piece with a passion and abandon that will result in a musical performance that is about much more than notes, rhythms and dynamics. This work is a vehicle for the trombone soloist to be as expressive as possible. A look at the works of Caravaggio, particularly in context with the other well known painters of the time, should provide substantial inspiration. -the composer