September 11 Terrorist Attacks, 2001 Orchestral music 6 Piano music 4 Requiems 4 Song cycles 3 Symphonies 3 Brass quartets (Horns (4)) 2 more ... Choruses, Secular (Mixed voices) with orchestra 2 Choruses, Secular (Mixed voices), Unaccompanied 2 Horns (4) with orchestra 2 Influence 2 Memorial music 2 Operas 2 Percussion ensembles 2 Piano trios 2 Quartets (Bassoon, oboe, guitar, viola) 2 Songs (Medium voice) with instrumental ensemble 2 Violin and viola music, Arranged 2 Anniversaries, etc 1 Cello and double bass music 1 Choruses, Sacred (Mixed voices) with instrumental ensemble 1 Choruses, Sacred (Mixed voices) with orchestra 1 Choruses, Sacred (Mixed voices), Unaccompanied 1 Choruses, Secular (Mixed voices) with harp ensemble 1 Choruses, Secular (Mixed voices) with instrumental ensemble 1 Christmas music 1 Collective memory 1 Computer music 1 Computer network resources 1 Concertos (Clarinet with string orchestra) 1 less ...