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Bruckner wrote nine numbered symphonies, the last of which was left unfinished at his death. He wrote two additional symphonies, the first in F Minor was a study symphony written in 1863 as an assignment by his composition teacher, Otto Kizler. In addition, after he completed his first numbered symphony in 1866, he composed another symphony in D Minor in 1869 which was not well received. As a result, Bruckner withdrew it and gave called it his Nullte Symphony or Symphony #0.