Step on the panels to say 'Baw, Ram, Ewe' to open a door above them. When a unit steps on a panel near a sheep, the sheep will say one of three things. In the third Alliance mission (where the elves are escaping from prison) there is a room with three sheep near the middle of the map. To unlock the song 'Power of the Horde' that is played at the end of The Frozen Throne, type 'TenthLevelTaurenChieftain' in the chat box just like you would any other code.
Continue after death - strengthandhonor.If done correctly, 'Cheat Enabled!' will flash on the screen. Type in a code from the list below and hit Enter again. Enter the single-player game and hit Enter.