@Simon, I don't really expect the whole top 20 to get bumps because of Grammys, it's always so dry in those weeks but with Bruce releasing soon and Beyoncé doing so good, we might not get a lowest peaking #1 soon.
I think the Grammys would help a lot, especially the performers and winners. I remember when ADELE jumped from 100K to 700k+ after the 2012 Grammys.