Smart hide is a function you can use to hide some library information. * Smart hide 1 will hide all artists and albums that have only 1 track in the library * Smart hide 2 will hide all artists and albums that have only 2 or fewer tracks in the library * Smart hide 3 will hide all artists and albums that have only 3 or fewer tracks in the library * Smart hide 4 will hide all artists and albums that have only 4 or fewer tracks in the library