No sound in iTunes

[aPple nErd]

Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B176 Safari/7534.48.3)

Just updated to 5.1 and now my songs have no sound anyone have this problem? Ps also this happens on both my iPod and iPhone

 

[ValerieDurden]

Try removing them and re-adding them.