 Hi there! I'm Andrea. I'm a youth services librarian from the Portola branch of the San Francisco Public Library and I'm here today to share my favorite song about opposites with you. It's called Rolly Polly. Ready? Let's go! Rolly Polly, Rolly Polly, up, up, up, up, Rolly, Rolly, Polly, Rolly, Rolly, Polly, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down, down,