Exhausted by its excess, we near the end of Christina Aguilera's "Not Myself Tonight" with a Polow Da Don–produced electro-mayhem bridge, synthesizers growling from the windows to the walls. If you're following along with the video on YouTube, this would be the part where Xtina sucks a diamond-studded bondage gag and mounts some beau. But on record, she sounds more like she's just finished clobbering a punching bag, fists still taped, when she deadpans, in a winded whisper,... More >>>