anchor n 锚

anchor v 下锚；停泊

Early jazz originated from the folk songs of black Americans from the period of slavery

2.The improvised solo performance became an essential part of every jazz song.

improvise v 即席而作

essential adj 基本的,必要的，不可少的

The improvised solo performance played an completely necessary role in every jazz song.

3.A poor white boy named Elvis Presley turned out to be the answer to Philips' prayers.

Prayer: n 祈祷

Finally, a poor white boy named Elvis Presley became the right person to meet Philips' requirement.

4.This left the way clear for a new frontier of pop music stars to come forward in the 1960s.

Frontier: n 国界，边界

This removed the obstacles for the rise of pop music stars in the 1960s.

5.Beatles have almost universal appeal today.

Appeal: n 1 恳请 2 上诉 3 吸引力

Today, Beatles still have overwhelming charm throughout the world.

Step 6: Homework