No one knows when folk music began exactly. __ 1 __ The songs can be considered as oral histories.Songs by traditional American folk singers tell stories that don't even appear in history books. __ 2 __ It seldom reflects the life of rich people. It is something anyone can understand and everyone is welcome to take part in. Folk songs differ in subject matter from war, work,economic hardship and of course, love. From the very beginning of American history, folk music has shown up at times when people needed it most. The earliest folk songs rose from slave fields as spirituals (黑人圣歌), such as “ Down by the Riverside ” and “ We Shall Overcome ”. Songs like these reflect both human suffering and the strength of the human spirit. __ 3 __ The 20th century saw folk music become even more popular in social settings. __ 4 __ They learn songs together that helped them deal with their bad work environment. Joe Hill was an early folk song writer and union organizer. His songs were about the ongoinglabor struggles. __ 5 __ A. They show there is always hope in life. B. They fought for equal rights. C. Their origins are hard to tell. D. Folk music became popular since then. E. Folk music has been the music of ordinary people. F. His songs have been sung during worker strikes ever since. G. Workers and folk singers gathered in churches and living rooms to sing music.