Evan Ingalls

Oregon Bach Festival Composers Symposium:
http://iwagemusic.com/
Western Washington University Department of Music
https://cfpa.wwu.edu/music
Opus 7 choir:
http://opus7.org/

The Composers Site (lots of contest listings):
http://www.composerssite.com/
A great site on orchestral instruments with audio-visual examples:
http://www.music.indiana.edu/department/composition/isfee/

Southern Harmony hymnal online:
http://www.ccel.org/ccel/walker/harmony/files/contents.html
An excellent compendium of folk songs and recent versions:
http://mainlynorfolk.info/folk/

The International Sheet Music Library Project:
http://imslp.org/wiki/Main_Page
The Choral Public Domain Library:
http://www3.cpdl.org/wiki/index.php/Main_Page

Creative-Commons-licensed sound recordings:
https://www.freesound.org/

The best webcomic:
http://xkcd.com/