Back up - large files - external USB drive - copy failure

Just the facts:
I cannot backup my Music folder to an external USB FAT32 drive. I have no large single files over the FAT32 limit of 4GB. The copy process stops at various amounts progess: 500MB to 6GB. My Music folder is ~16GB total in size. I recently did a clean install from Tiger. I had no issues moving my 14GB Music folder in Tiger to this same external drive.
1) Has anyone solved this?
2) Has anyone talked to Apple support in a store or over the phone on this?
3) Anyway to highlight a (likely) important issue with Leopard to the Apple folks?
There are numerous posts all dealing with moving/copying large files. Seems to be a common issue to Time Machine, iDisk, external drives, copying large folders to Desktop, and others.
Cheers,
MostlyHarmless
PS New Mac user and really like it so far. I realize these are just Leopard "birth pains."

This is the Windows forum, not the Mac forum.
But it's the same. Simply drag the iTunes folder to the external drive.
Or use a backup prgroam such as SuperDuper!
You do have a bootable backup of your internal HD, correct?

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