website about singing (resonance)

singbabysing.com
歌唱學習

GuitarMasterClass.com (singing lessons)
歌唱與樂器學習影音檔
http://www.guitarmasterclass.net/search_results.php?formSearch=sing

The artful singer
文字描述如何學習歌唱
http://www.theartfulsinger.com/html/endurance.html

Free Text To Speech
http://www.naturalreaders.com/