BBC Cardiff Singer of the World Competition

http://www.bbc.co.uk/wales/cardiffsinger/sites/2007/

International Vocal Competition site

http://www.eur.com/contest/contest.cfm

Music Score Shopping site

http://tismusic.com

http://www.sheetmusicplus.com

Opera Stuff

http://operastuff.com

Aria Text Search site

http://www.aria-database.com/ariadbse.html

Art Song Text site

http://www.recmusic.org/lieder

Online Score viewing supported by Indiana University Library

http://www.dlib.indiana.edu/variations/scores