In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

In 1920 the orchestra hired Henry Hadley as " associate conductor " given specific responsibility for the " Americanization " of the orchestra : each of Hadley 's concerts featured at least one work by an American-born composer .
In 1920 the orchestra hired Henry Hadley as " associate conductor " to perform concerts which included works by American composers .