I chose this song as I believed it truly embodied guqin music.  The song has this Zen like calm and beautiful melody that helps to relax and destress you.  I found this recording on Youtube and it is performed by a true guqin expert.  When listening to the song you get a vague sense that the melody is telling the story of a place, of Guan Mountain, and through the expert playing of Jiaoyue Lyu, it is a story well told.