Other
Lawrence University: A Brief History of Singing
An introduction to the history of Western solo singing from ancient times to the present can be found here.
Other
Vocalist
A general site for anyone interested in singing. Contains free online singing lessons and articles for vocalists related to singing plus other useful information. Resources for everyone-even kids online music games.
Other
Diaphragm Description
A post from 'Vocalist' written by Lloyd Hanson, a professor of voice, explaining the diaphragm muscle system.
Other
Facing Vocal Competitions
Article by Emily Brunson about facing solo competitions after less successful attempts at competing.
Mount Holyoke College
Mt. Holyoke College: Enunciation Exercises
A few exercises to develop enunciation with the singing voice. This site takes you through a five step exercise.