Hello! I Already have the sheet music for the song called River of Sorrow (Jiang He Shu) (江河水) and would like to perform it on my erhu. The problem is that i would like to be able to play the chords that play in the background of the song as video on my phone WITHOUT the erhu.
I have not had much luck finding accompaniment tracks for erhu tunes online. Some music books come along with CDs, and that is likely to be your best source. However, it is often hard to find which book has which tune. You might contact vendors such as Eason Music and ask if they have any books with CD/MP3 that include the tune you want.
Otherwise, find someone to record the track for you. That will not likely to be free though. I have done this for some Vietnamese tunes that I perform on dan bau. Fortunately, my teacher has contacts in Vietnam to make this possible. It may be connecting with Chinese teachers will be a good move for you. If you want an accompaniment track bad enough, Eason Music may be able to arrange something. Be prepared to pay though.