How to get MP3 file into iPad Music app without iTunes? Background: My Mac is out of commission, I don't want to borrow my son's Windows 8 laptop, and I don't want to install iTunes (or anything else that touches the Registry) on my employer's Window 7.

I have an MP3 file that I edited with "portable audacity" and I want to use "Music" with it.  I know there are other programs that can play it, but I have my reasons...

I've heard there are other programs that can get MP3s into the Music library.  Are any of them Windows-portable, i.e., can run from a flash drive without adding more garbage into the already full garbage can called "Registry"?

Or is there a portable file manager (for Windows) that can replace an MP3 file in the Music library with another of the same name (without jailbreaking to tamper with permissions)?  (In other words, something that would do what iTunes can do but won't touch the Windows registry.)

bmike, the answer is "if you think it's clearer, go for it."  SE is not cooperating with letting me log in and comment at the moment.  And I'll have my Mac again soon, at which point the question is only of value to someone besides me.  :-)
Sorry but all the Programs i know out there which are really able to add Files to the coorrect place (iTunes Folder on your iPod) will ask you to first install iTunes to use its sync Function in the Background.