You could probably go to 100 different music websites and find 100 different Top 25 songs of 2011 (so far) lists, if you wanted to. Well, go ahead and do it. See if we care.
This list from Spinner seems to have the bases pretty well covered in more popular, radio-style hits. (Not sure what we would add here…)
However, if you’re interested in obscure indie-type music, Paste has assembled a strong list, as well. (Might add Bon Iver’s “Holocene.”)