Download MP3 The Birds Sing on the Mountain 空山鸟语 Qin Qian 覃茜(Erhu 二胡 ) Kathryn Woodard (Piano) Download MP4 The Birds Sing on the Mountain 空山鸟语 Qin Qian 覃茜(Erhu 二胡 ) Kathryn Woodard (Piano)