Play one we know Finding familiar Western tunes to play on the bawu and hulusi can be a challenge. "Western Tunes for Bawu and Hulusi - C Edition" presents more than one hundred tunes from outside of China, all arranged for bawu and hulusi in the key of C and notated at pitch in standard Western notation. Included are folk songs, traditional dance tunes, hymns, children's songs and pieces from classical composers including Beethoven, Brahms, Mozart, Vivaldi and others.