Jdillard,
As changes are made to a file, Time Machine wants to keep multiple versions of the file so that you can go back in time to retrieve the old version. As you reorganize tracks in iTunes, iTunes will rename tracks and move tracks from folder to folder causing multiple copies of the same track being backed up by Time Machine. Also, any changes made to embedded meta data (artist, genre, track number, etc...) will cause multiple copies being backup as well. Obviously, this is not a very efficient way of using disk space.
What you really want is a program that will keep your primary iTunes library and the backup library completely in sync. If a file is deleted from primary, it should be deleted from backup. If a file is added to primary, it should be added to backup as well. In other words, you want the backup to be identical to the primary.
In the case the primary crashes, you want to be able to simply replace the primary with the backup (maybe with minor configuration change due to different volume names), restart iTunes and get back to business. You can't do that with Time Machine. With Time Machine, you must get a new drive and restore all your music files from the backup. It may take a whole day if you have 500G of music.
As changes are made to a file, Time Machine wants to keep multiple versions of the file so that you can go back in time to retrieve the old version. As you reorganize tracks in iTunes, iTunes will rename tracks and move tracks from folder to folder causing multiple copies of the same track being backed up by Time Machine. Also, any changes made to embedded meta data (artist, genre, track number, etc...) will cause multiple copies being backup as well. Obviously, this is not a very efficient way of using disk space.
What you really want is a program that will keep your primary iTunes library and the backup library completely in sync. If a file is deleted from primary, it should be deleted from backup. If a file is added to primary, it should be added to backup as well. In other words, you want the backup to be identical to the primary.
In the case the primary crashes, you want to be able to simply replace the primary with the backup (maybe with minor configuration change due to different volume names), restart iTunes and get back to business. You can't do that with Time Machine. With Time Machine, you must get a new drive and restore all your music files from the backup. It may take a whole day if you have 500G of music.