iPhone songs FAQ: Can I set or change the rating of an iTunes song on my iPhone or iPod?
Wow, I'm such an iPod/iPhone/Itunes dummy, I didn't realize that I could change the rating of a song from my iPhone until I dug into it a little bit. Here's a quick look at how to change the iTunes song rating from your iPhone/iPod.
Setting/changing an iPhone/iPod song rating
You can set the iTunes song rating directly from your iPhone (or iPod) when the song is playing.