Glee at times can be helpful to songs just outside the Top 10.
People buy songs just for the sake of them being in the Top 10, so when Glee bumps them out, at times songs that are really old start to fall & don't rebound back into the Top 10, leaving the spot for a newer song.
On the Floor & TTWE you gotta go! & we shall sacrifice Katy for the #10 spot.
