If you have a large music library on your computer, it won’t necessarily fit on your iPhone or iPod. Instead of syncing your whole library, it’s worthwhile being a little more selective with the tunes that you want to listen to on the move. To this end, I have two smart playlists set up that I sync with my iPhone:
1. Wheat, No Chaff
This chooses tunes that I have rated 3 stars or above
2. Recently Added
This playlist picks new music that I have added to my library in the last fortnight.
So a combination of these playlists results in a good mix of great tracks, and new stuff. You can choose to syncronise only selected playlists in the Music tab of your Device: