Isang Yun’s Orientalism in instrumentation is quite unusual. Unlike Toru Takemitsu, who enjoyed composing his native instruments; i.e. Takemitsu’s Eclipse for Biwa (Japanese lute) and Shakuhachi (Japanese bamboo flute) blends gorgeously with the Western orchestra, Isang Yun never composed music for Korean instruments. Instead, he composed for the Western Counterpart instruments to replace the sound of Korean traditional instruments.
Here is the sound of Ajang, which Yun considered as the equivalent to the cello amongst the Korean traditional instruments.