World Voice Day
World Voice Day (WVD) is a worldwide annual event that takes place on April 16 devoted to the celebration of the phenomenon of voice.[1]The aim is to demonstrate the enormous importance of the voice in the daily lives of all people. Voice is a critical aspect of effective and healthy communication, and World Voice Day brings global awareness to the need for preventing voice problems, rehabilitating the deviant or sick voice, training the artistic voice, and researching the function and application of voice. A goal of World Voice Day is to encourage all those who use their voice for business or pleasure to learn to take care of their voice, and know how to seek help and training, and to support research on the voice. Voice production is studied and applied in many disciplines such as medicine, speech-language pathology, music, physics, psychology, phonetics, art, and biology. The World Voice Day was established on April 16 with the main goals of increasing public awareness of the importance of the voice and alertness to voice problems. This celebration started in Brazil in 1999 as the Brazilian National Voice Day. It was the result of a mixed initiative of physicians, speech-language pathologists and