Sung made his debut with the Philadelphia Orchestra three years later, performing the Mozart Piano Concerto in B-flat major, K. 456 with his own cadenza.
[1] During his final year of study, Sung started touring collaboratively with legendary violinist Aaron Rosand.
[2] He has collaborated with renowned musicians such as Julius Baker, Jeffrey Khaner, Hilary Hahn and Leila Josefowicz, as well as contemporary composers such as Jennifer Higdon, Robert Maggio, and Harold Boatrite.
[5][6] He developed a customized database to create a paperless office for his administrative work at Curtis.
In 2002, shortly after the first Tablet PC's were introduced by Microsoft to the public, Sung adapted an early model for use as a digital music score reader with a foot pedal-activated page turning system.