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| Isangyun Peace Foundation Concert at Hoam Art Hall, Seoul | 2005 | ||
| Mode O featuring Saxophonist Alfred Harth | 2004-present | ||
| Button featuring Chang U Choi, Byoung Jun, Kyoungho Son | 2003-present | ||
| Puchon International Film Festival | 2004 | ||
| Jazz Park Series at The Korean Textile Center | 2004 | ||
| Free Improvisation Performance Workshop at Danguk University | 2004 | ||
| Suh, Sangyoung SS Collection Fashion Show | 2004 | ||
| Soundtrack to the film "Run! Rose" | 2004 | ||
| Jazz Composers Alliance Orchestra at Boston University | 2003 | ||
| Boston Women Improvisers Festival at Tremont Theater, Boston, MA | 2003 | ||
| Concord Library Music Series featuring Hans Poppel, Concord, MA | 2003 | ||
| Autumn Uprising Festival at ICA Theater | 2002 | ||
| Boston Braxton Project at ICA Theater | 2002 | ||
| Modern Improvised Music Series at AAL Gallery, Hyde Park, MA | 2002-2003 | ||
| Trio Ex Nihilo at Northeastern University | 2002 | ||
| sOo's cOllage featuring Jim Hobbs, Tom Plsek, Curt Newton, Jeff Song and Chang U Choi | 2001-present | ||
| Piano Festival at Zeitgeist Gallery in Cambridge,MA | 2001 | ||
| New Music Series at Various Locations | 1998-2001 | ||
| Quintet sOo at Various Locations | 1997-2001 | ||
| Yonsei Quartet at Various Locations | 1989-1995 | ||
| Piano Recital in Salzburg, Austria | 1991 | ||
| Korean Symphony Orchestra at National Theater of Korea | 1985 | ||
| Seoul City Orchestra at Sejong Theater, Seoul, Korea | 1983 | ||
| Many others... |