iPhone/iTunes help

[Nitro1970]

I noticed some of my songs on my haven't been playing. If I select the song it kinda hangs then advances to the next one. When I plug the phone into the computer it shows it grayed out with a little circle beside it. What does this mean? How do I get the song to play again?

[Nitro1970]

Bump for help??

[awatsonjr]

I'm having the same problem

[Nitro1970]

I'm having the same problem

You loosing some of your notes too? Some of mine have disappeared overnight