For this practice session we will continue looking for articles about the history of rock and roll music, but we're going to narrow it down.

In the search box, type in "rock music" and history and blues. How many items did you find?

Let's narrow it down even further. In the menu to the left of the results page, check the box labeled Scholarly (Peer-Reviewed) Journals and click update. Now how many articles did you find?