J-pop (Japanise Pop) cracks me up, and kills me a little inside. 5 videos for ya:
J-Trance
(i think it's about spicy food, or heartburn, but i'm not sure.
more here.)
J-Rock
(i love elbow-mounted rocket launchers.)
J-House
(and by house, i mean it in the original, queer sense)
J- ... uh, simon and garfunkel?
J-slang
(a educational video helping the Japanese speak American Hip-Hop/RnB slang correctly. subjects include "Don't'ca know" and "Aiiiite")