Guqin tune 平沙落雁 Ping2 Sha1 Luo4 Yan4 played on ZhangYong-made banana-leaf shaped 7-string Chinese zither guqin with silk strings, tuned relative to A-sharp (B-flat) on thickest 1st string. Recorded in the Republic of Singapore in July 2013. Played by 侯明良 (hou2 ming2 liang2)

平沙落雁 Ping Sha Luo Yan (played on 古琴 guqin with 絲弦 silk strings)

古琴 Guqin tunes played on traditional 絲弦 silk strings. The way guqin was originally meant to be heard; with silk strings.
Hi-res royalty-free versions of these guqin tunes are available for download for media production use at: 

7-silk strings Chinese zither Guqin tune 忆故人 Yi Gu Ren
http://www.productiontrax.com/royalty-free-music/372941

7-silk strings Chinese zither Guqin tune - ping sha luo yan 平沙落雁
http://www.productiontrax.com/royalty-free-music/372939

平沙落雁 Ping Sha Luo Yan (played on 古琴 guqin with 絲弦 silk strings)

SilkStringsGuqin