Erhu is a Chinese traditional instrument and It has long histroy,was called Chinese violin.
The lesson just teach you how to play it well,teach you some basic skills and learn some Chinese songs or music and also some foriegn songs and help you know some erhu's histroy also including some Chinese culture.
Erhu Lessons via webcam also can do,your location average price by paypal
More sites info: http://happyerhu.wordpress.com/
If you are interested this instrument and want to learn it,please don't feel hesitate to reply or contact with me.
Thank you for noticing,