Peripetie from Five Orchestral Pieces by Schoenbereg

2015 Mark scheme, just for convenience.  Use mainly for essay at the end...

Melody

• All twelve pitches used

• Hexachord (six pitches)

• Complement (six pitches) 

• Inversion

• Hauptstimme/Principal voice

• Nebenstimme/Secondary voice

• No clear/recognisable melody

• Atonal/no sense of key 

• Chromatic/dissonant

…