Georgelofi wrote,
"You shouldn’t be anywhere in the same room when any "burn in" tracks are being played, as your hearing will be "notched out" for quite a while after at those "burn in" frequencies. If you are, then the results will be "wow there is a difference" when you replay some music."
Chaulk one up for the headphone dudes!
Tis far better to be burned in than burned out.