Sync to your heart's content.
iTunes on your Mac or PC makes it easy to load up your iPod shuffle. Just choose the playlists, audiobooks, podcasts and other audio files you want, then sync. You can sync multiple playlists to iPod shuffle, so you always have the perfect mix for whatever mood strikes you.
Have Genius call the tunes.
There's another way to get a good mix of music on iPod shuffle: let Genius do the work. Genius automatically finds songs that sound great together, then creates playlists called Genius Mixes that you can sync to your iPod shuffle. It's the perfect way to rediscover songs you haven't listened to in ages.