Sometimes you want to do something like create a MP3 CD, but you need to do so with several iTunes playlists, in a particular play order. However, iTunes' MP3 CD burning support is rather limited. For example, it can burn a playlist in order -- but only one big playlist. On the other hand, it can burn a CD with the MP3s sorted into artist or album folders. It can't create multiple-directory CDs for CD players that support it, limiting it to one big list. You can burn an MP3 disc (with multiple folders/playlists) from the Finder or Toast, but they will both burn the files in alphabetical order. If you are trying to burn a CD with several directories of several playlists, in a certain play order, these limitations are very frustrating.
The normal solution to this problem is to rename each file from each playlist in the finder -- such as adding a number before the track name -- so that songs are displayed in the correct order for burning. This is very slow to do manually. So,...