Last night I went to a concert of Chinese folk music.(46) piece which was played on the erhu especially moved me.I was made (47) (feel) sad and painful (48) _ (strong).The piece (49) (name) Erquan Yingyue,but it was one of (50) _ (move) pieces of music that I've ever heard.The erhu sounded so sad (51) I almost cried along with it as I listened.Abing(52) was a folk musician wrote the music.He could play many musical(53) (instrument) with his father's help.By age 17,he was known(54) his musical skills.Today,Abing's Erquan Yingyue is a piece which all the greatest Erhu masters play and praise.It (55) ( become ) one of China's.