Hearing is one of the most important sensations that people need for daily life. With hearing, we can communicate with people, enjoy beautiful music, and fulfill our everyday needs. However, as people are aging, hearing loss seems an inevitable experience. According to Wingfield and Peelle (2012), 40–50% of adults over the…

Singing has been part of my life for over 10 years. From fourth grade, when I first joined the school choir, I did not realize that it would be my interest lasting for years. Singing brings me happiness, satisfaction, but gets me into fret as well. When I feel depressed, recording myself singing always heals…