What is Reddit's opinion of Kid3?

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iTunes -> Preferences -> Advanced

uncheck "Keep iTunes Media folder organized"

uncheck "Copy files to iTunes Media folder when adding to library"

As for renaming, you'll need some 3rd party software or script to handle that part.

Replying again instead of editing just so you get a notification. I did some more searching and ended up finding one called Kid3 that is doing everything I need it to. It's not as straightforward Ex Falso, but it seems to be working really well.

kid3 is one such application. You can see the two sections in this screenshot. I'm sure others allow you to edit them separately as well, but may not be immediately obvious from the interface.

I'm running Snow Leopard as well and find that Kid3 Tag Editor is pretty good and you want to get the kid3-3.4.1-Darwin-i386.dmg that is the 32-bit, older version.

Totally runs in Snow Leopard

iTunes doesn't change the file names when you change metadata.

I'd suggest kid3 so you can tag your files properly, then have it rename the files according to how you want them. I use it when ripping my huge collection of classic music CD's and it works like a charm.

Once everything looks good, just put the files on your USB drive and enjoy.

> mp3tag

I use quod libet and kid3 (they have windows binaries too, check it) for that, the latter is powerful as fuck. Quod libet is my music player but it comes with ex falso for editing tags and stuff.

Don't pay them. How did your music get on iTunes? CDBaby/Distrokid? Both these services provide free ISRC codes. An ISRC code is a unique identifier code for a song (and can help you get paid) as stated by seabass, they are often embedded in the meta info of a song but not always. If don't know your codes or how your music got on iTunes, I would say download your song from iTunes and open it in http://kid3.sourceforge.net/ and see if the ISRC code is embedded.

No problem! I've checked out a lot of taggers now, installing (and uninstalling) with Ubuntu's package manager. It appears that dual tag handling is a rather rare feature. I only found two that have it: Audio Tag Tool and Kid3. Out of those, Kid3 is by far the best. FWIW, the first post is updated with installation instructions.