You may not want to add every song in your iTunes library to your iPod. While the default is to sync every song, it may not always make sense for you. For instance, your library may be bigger than your iPod’s capacity or you may have holiday music that you want to keep but not bring with you all the time.
There are two ways to only sync particular songs: by unchecking songs or by creating playlists. Here’s how to do each.

