Walter S. Hartley - Sonorities III

I performed this piece for Contemporary Ensemble, but I don't think I was as successful as this performance.
from Ka Nui Trombone Ohana https://www.youtube.com/attribution_link?a=kZe-w1YhCqw&u=%2Fwatch%3Fv%3DfI6QOwyXeCA%26feature%3Dshare
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