Because people get trolled everywhere, even on Qo'noS.
Did you really think Rick Astley penned the greatest pop single of all time, "Never Gonna Give You Up"?
Such unrelentng rhythm could only be the work of the Klingon Empire! And to prove it, we've got video evidence of that '80s classic, "jIyIntaHvIS not qajegh," being sung in the original Klingon.
For when it is not a good day to die, but, rather, a good day to get down and boogie. Worf knows what's up. Don't you, Worf?
See? He loves it!
(via Topless Robot)