Head Pegs Strings Handle Stick Hair Looping Cord Membrane Drum Resonator Rest   With a sweet singing tone reflective of the gentility and refinement of the culture of Southern China, the Gaohu is a chief instrument used in the accompaniment of Cantonese opera, where the performance style is highly ornamented. Playing techniques and tonality are also slightly different from those found in the performance of Chinese instrumental music. The Gaohu is played in the same manner as the Erhu, but is sometimes placed in between the knees to produce a more delicate tone.