"Blur" sees the inclusion of urban influences, and lyrically recalls the morning after a party with lyrics "Can't remember what I did last night/I gotta get my head right, where the hell am I?
Lil Jon, Rodney Jerkins, Sean Garrett, in Taio Cruz ter mnogi drugi so oznanili, da delajo na pesmih za novi album Britney Spears, vendar nazadnje nobena izmed teh pesmi ni izšla.