why, brain, why?

I have had Lady Gaga stuck in my head for several days now. Not just the one song, just any song that will dislodge any other song is still Lady Gaga. Listening to them on YouTube so they'd finish didn't help. Listening to completely other things on YouTube still didn't help.

Today? New song!
... the jingle from the Bodyform adverts.

... my brain, I don't even...
... we can order new ones, right?
*facepalm*