Outline the use of sonority.
POULENC sonata for trumpet horn and trombone (M1)
- arppegiated fanfare : shows off sonority of brass, written FOR brass instruments
- wide range for horn and trumpet has 2 octave range
- articulation written specifically for brass for a playful element
-melody alternates between legato + staccato phrasing
- each instrument takes on a melody, accompaniment and harmonic role throughout the movement
- explosive forte dynamics 'shows off' sonority