Another thing would be to go ahead and do it on the player, and then wait until Mike fixes that bug in Jemplode. He knows about it and has plans to nail it soon.

Another thing would be to do it on the player, and download with a strict filespec, then use a filenames-to-tags pass in MP3 Tag Studio. Have to be careful about the way certain tracks are named though, because things like question marks and slashes can't be in a file name.