After going through their first round, things start to heat up when the competion gets harder. Now the contestants have to learn routines, and sing/dance in groups of threes and fours. The judges will pick which ones in the group stay. They had to learn these routines in a couple of nights, sacrificing their resting time. There was no time to relax, they had to stay focused. Many were stressed, and forgot their lines, and didn't know what to do. This narrows the search down to fewer people. (thetvdb.com)