I'm usually the last person to jump on the tang police pattywagon, but this persons lack of reefer responsibility boggles my mind.
Sailfin, Powder Blue, Yellow, and Blue Tang in a 60G tank... not to mention the Emperor angel!
http://www.youtube.com/watch?v=Ae-rOwUBYaQ
edit: He's got another video from 13 days before this one was posted, with the Sailfin, Powder Brown, and Yellow, and Copperband butterfly... I'm guessing that since the CBB and PBT aren't in the link above, they are dead. That's an assumption, but I feel I'm right.