Listen to Su (Tracing back) (version for flute and qin) online. Su (Tracing back) (version for flute and qin) is an English language song and is sung by Nikola Atanasov. Su (Tracing back) (version for flute and qin), from the album Zhou, Long: Su / Pianogongs / Taiping Drum / Wild Grass / Taigu Rhyme / Chen, Yi: Monologue / Chinese Ancient Dances, was released in the year 2009. The duration of the song is 6:58. Download English songs online from JioSaavn.