Dr. Shaoping Zhang is a pediatrician in Plano. He plays gaohu and erhu since age 16. Gaohu is a higher pitch two string Chinese fiddle. Dr. Zhang will participate “Bu Bu Gao”  and other music Ensembles during the concert. “Bu Bu Gao”   (Chinese name which means “Each step climbs higher”) was composed by Wen-cheng Lu. Gaohu leads the melody in Bu Bu Gao. The melody goes up and accumulate energy and then relaxes to down-grade, which form layers of music like waves.