"Strong setback" serial concert is a yearly routine summer public performance by the Chinese orchestra troupe of schoolfellow of Zhongshan and Chien Kuo. This year would be the 5th performance. This musical troupe is with members mainly of university students, graduated fromTaipei Municipal Chien Kuo High School and Taipei Municipal Zhongshan Girls High School and used to be part of the Chinese orchestra club in these schools, and of youths favorite of Chinese national music. Last year in the great hall of National Dr. Sun Yat-Sen Memorial Hall, they performed some complicate music title such as "Expression of Taiwan", "High hill of loess" and "Suite of childhood" and won good reputation; this year, they would present outstanding music title in style of new era given into the Chinese national music with "the lady general Hua Mu-lan", a concerto by pipa; with "impromptu of north of Shensi" by liquin ; with"Expression of western Hunan, a concerto by double cymbals; and with "unforgettable songkran water festival" and with a great instrumental ensemble for "imagination from clay figures of warriors and horses of Chin dynasty". It is worth to looking forward to it.