A diagnosis of vocal nodes is every singer's worst nightmare. Musicians like Justin Timberlake, Adele, Björk and Rod Stewart have all had surgery to treat them. Nodes are so widely discussed, they've almost become a boogeyman in the singing community. But is this condition really as common as people fear? And when nodes do develop, is all hope truly lost? Featuring vocal coach Katie Talbot and Professor and Chairman of the Ear, Nose, and Throat Department at Drexel University of Medicine Dr. Robert Sataloff.