I don't know if you heard already the buzzing video of Ylvis "What does the fox say" ?
I just loved it, I thought it was actually a great song, even for a parody. It made me discover their other songs, and I believe it's great work !!
Here are my 3 favorites ! (only english ones, I don't understand the non subtitles and non english songs)
This last one made me laugh so much ! I thought the idea was original and brilliant ^^