My interest in new music mostly stopped in 2000, but since then there have been a few songs each year that I actuall liked. Here's my like list for 2012 (it is rather short, I know)
Psy - Gangnam Style
http://www.youtube.com/watch?v=9bZkp7q19f0
Loreen - Euphoria
http://www.youtube.com/watch?v=bcnWysA9gxo
Tacabro - Tacatà
http://www.youtube.com/watch?v=BJ-CmHZrKHU
Wisin & Yandel feat. Jennifer Lopez - Follow The Leader
http://www.youtube.com/watch?v=Xmap94TcDNs
Alex Clare - Too close
http://www.youtube.com/watch?v=zP50Ewh31E4
Fun feat. Janelle Monae - We Are Young
http://www.youtube.com/watch?v=Sv6dMFF_yts
Linkin Park - Burn It Down
http://www.youtube.com/watch?v=dxytyRy-O1k
Die Toten Hosen - Tage wie diese
http://www.youtube.com/watch?v=j09hpp3AxIE