http://www.jazzinbrighton.com/bshop/# - Quartet Trainer. This site is a must see! It uses the learning tracks from the tags in the link above, and allows you to turn each part on or off, and sing along. You can also pull up a copy of the sheet music. Definitely one to see and play with!

http://www.barbershopwiki.com - The Barbershop Wiki Project is the most comprehensive barbershop encyclopedia in the world. It is a collaborative site where anyone can edit nearly every page. Users from around the world work together to create, store, and research information related to Barbershop harmony. This is Wikipedia for barbershoppers

http://www.mjbarkl.com/two.htm - Monster arrangement/recording list

http://icq.cannotloadcommand.com:1938/default.htm - perhaps the most comprehensive barbershop trivia site EVER!

http://www.owningthestage.com/ - Created, by Realtime bass, Tom Metzger, this blog style sight deals with all things performance. It's a veritable encyclopedia of tips and advice on how to hone your performance skills.

http://www.quartetmatchup.com - Find quartets looking for parts, or look for the missing part for your quartet.

For those who access the Host Rocket control panel, the url has changed to:
http://216.120.251.184:2082 (the remainder of the old url is not necessary).

The File Manager url is now:
http://216.120.251.184:2082/frontend/hrcp25gb/control/filemanager.php

The Control Panel user name & password is the same.