(http://i.imgur.com/9Eep2.png)
The MLP Karaoke project now has an official IRC (http://www.wikihow.com/Get-Started-with-IRC-%28Internet-Relay-Chat%29) channel on the Ponychat Network (http://ponychat.net/). Join in for live chat, support, fun and massive amount of idling!
Point your favorite IRC client (mIRC, Xchat, irssi...) to:
Server: irc.ponychat.net
Channel: #karaoke
or click on <a href="irc://irc.ponychat.net/karaoke">this link</a>.
If you don't have any IRC client installed on your machine, you can use this web client (http://iris.ponychat.net/).
Some recommendations for Windows users: http://www.makeuseof.com/tag/top-7-free-irc-clients-windows-7/