In a recent interview, the voice actor elucidated that he was actually referencing the French genre of music yé-yé, popularized in the 60s by artists such as France Gall and Serge Gainsbourg, with that line.
@boocreepyfootdoctor: Worth buying? Worth paying money for? Hell no, but there are some cool wallpapers and themes you can get for free. My favorite two would have to be the Playstation Aniversary theme and the Mad Dog McCree wallpaper. Both are really cool and free.
You could also just go to interfacelift.com and download wallpaper