Then you would see a rapper, and when the rapper began to rap, we would do a simple beat, because back then the beats were simple --  or --  Those were simple beats.
随后你会看到说唱歌手， 当说唱歌手开始的时候， 我们就会打节奏， 因为那时的节奏很简单--  或是 --  那些只是简单的节奏。