Sangji Koh, aka Koh Sang-ji (고상지) is a Korean musician.   She was an engineering student with an obsessive interest in animation who dropped out of her prestigious university due to her passion for music. A few years later, she became the most famous bandoneon player in Korea. She has played a significant role in making tango and the bandoneon approachable to a wider audience in Korea.   Koh Sang-ji studied under the bandoneon player Komatsu Ryota from 2006 to 2009 and then i