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13 Postcards
Symphony No. 6
13 Passages
Le motion emotion
13 Doves
for string quartet
13 Angels (Ein jeder Engel ist schrecklich)
for flute/piccolo, clarinet, piano, percussion, violin, cello, and electroacoustics
12 x 12
fugues for piano
12 shades of blue
number 1, for clarinet in B flat and viola