Up to now I've been keeping all my MP3s in a single folder sorted by the date they were created.
That worked well for me, because usually the songs I'm most interested in listening to are the the ones I've most recently added to my MP3 collection.
Well, a few weeks ago I decided to try MP3Gain to "normalize" the volume levels of all my MP3s. (It didn't work. Apparently my hand-me-down MP3 player is too primitive to utilize the volume settings that MP3Gain adjusts).
Now all my MP3s have the same date (the date on which I tried to normalize the volume settings) so I can no longer sort them by the date they were created.
Is there any way I can get that creation date data back to the way it was before I tried MP3Gain?