Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
folk – adj. a of or relating to the common people of a country or region
beyond – adj. on or to the farther part or side
violinist – n. one who plays the violin, which is a small stringed instrument
essential – adj. important
caste – n. a division of society based upon differences of wealth, rank, or occupation
drum – n. a musical instrument that is made with a thin layer of skin or plastic stretched over the end of a round frame and that is played by hitting the skin or plastic with sticks or with your hands
