Choruses, Secular (Mixed voices), Unaccompanied Instrumental ensembles Latin Americans Music Piano and electronic music Piano music Piano music (Pianos (2)) Quartets (Clarinets (2), percussion, cello) Quintets (Clarinet, violins (2), viola, cello) Septets (Piano, clarinet, flute, percussion, violin, cello) Sextets (Piano, clarinet, flute, percussion, violin, cello) String quartets