Fresh off a performance at Crowell Concert Hall last week, Wesleyan’s Indonesian gamelan ensemble packed its gongs for Washington. Led by Adjunct Professor of Music Sumarsam and artist in residence I.M. Harjito, the ensemble performed at the Indonesian Embassy March 4, in an opening event for a festival celebrating composer Lou Harrison (1917-2003). Harrison is the American composer credited with merging gamelan music and Western concert traditions. Gamelan refers to several varieties of Indonesian ensemble music performed mainly with metallophone and bronze gong-type instruments played with mallets. (Listen to the Wesleyan gamelan ensemble perform "Ladrang Gegot laras pelog pathet nem" in…