She has chaired philanthropic events for organizations including the Women's Project,[3] American Theatre Wing,[4] Asia Society and Parrish Art Museum[5] and has been on committees such as Southampton Hospital.

[7][8] Her music for theater includes the scores for the Tony Award-winning Broadway production of M. Butterfly and Tony-nominated Golden Child; as well as David Henry Hwang's New York Shakespeare Festival presentations of Sound and Beauty and The Dance and the Railroad and the Obie Award-winner FOB.

Hwong also scored the Mark Taper and McCarter Theatre premieres of Anna Deavere Smith's Twilight: Los Angeles 1992[10] and created a 12-tone fugue for Joyce Carol Oates' The Perfectionist.

Her music for television and film include Hiroshima (NBC), Vietnam War Story (HBO), Forbidden Nights (Tiananmen Square massacre) (ABC), Paper Angels (Angel Island) (PBS), Jennifer's in Jail (girl gangs) (Lifetime), Lotus (women's emancipation in China) (AFI),[13] Who Killed Vincent Chin?

(racial murder) (1998 Oscar nomination: Best Documentary) and Silverlake Life: the View from Here (AIDS), honored with Sundance Film Festival and Peabody awards.