In the 1920's,Liu Tianhua came to Beijing alone from the South bringing his Erhu and the three works he had composed,namely,″ Groaning in Sickness″,″ The Moonlit Night″ and ″ Song of Birds in Desolate Mountain″,and after years of hard working,he finally managed to create the art of Erhu as a solo instrument.From the perspective of cultural communication,this is another example of the so-called ″ northward spread of the Southern music″ phenomenon in terms of the musical instrument Erhu,or a proof that the regional music culture in the So...