hey i reinstalled mac os x on my powerbook g4, and i needed to back up my music. so i use apple backup and backed up the entire itunes library onto my 160gb external harddrive. the backup came to 25 gigs, and it all seemed to work fine. then i reinstalled and now i cant figure out how to restore with the backup file on my harddrive!! please help i need to figure this out, its a lot of years of music, pleasse help, thanks.