One-third of the labor force works in professions in which voice is the primary tool of work.1 They include broadcasters, call center operators, court lawyers, teachers, business executives, singers, actors, clergy, and tour guides. To these professionals, the maintenance of vocal health is essential as voice is the critical component of their work. Excessive use or abuse of the voice at work can lead to the development of vocal symptoms of weak voice, sore throat, and to the development of a voice disorder.2