User blog comment:One Singular Sensation/What are you favorite plays/musicals?/@comment-4099072-20120319004634/@comment-2219055-20120319013237

13 was the musical Ariana Grande and Liz Gillies were in before Victorious. It was a coming-of-age story about a boy and his bar mitzvah. It was the only Broadway show with a cast made entirely of underage actors.