十五选十填词

Rock and roll is a genre of popular music that evolved in the United States in the late 1940s and early 1950s. Its 1._______ lie mainly in blues, rhythm and blues, country, folk, gospel, and jazz. The style subsequently spread to the rest of the world and developed further, leading ultimately to 2._______ rock music.　　The term “rock and roll” now covers at least two different meanings, both in common usage. The American Heritage Dictionary and the Merriam-Webster Dictionary both 3._______ rock and roll as synonymous with rock music 4.________ , Allwords.com defines the term as referring specifically to the music of the 1950s.　　Classic rock and roll is 5.________ played with one or two electric guitars, a string bass or an electric bass guitar, and a drum kit. In the 6.________ rock and roll styles of the late 1940s, either the piano or saxophone was often the lead instrument, but these were generally 7.________ or supplemented by the guitar in the middle to late 1950s.　　The massive popularity and eventual worldwide view of rock and roll gave it a 8.________ social impact. Far beyond simply a musical style, rock and roll, as seen in movies and in the new medium of television, 9.________ lifestyles, fashion, attitudes, and language. It went on to spawn various sub-genres, often without the initially 10._________ backbeat, that are now more commonly called simply “rock music” or “rock”.