Go into your History and it will be there
Then that means you deleted your music video.
You must drag it back onto the iPod via iTunes when your iPod is plugged into the computer.
If they did not go into the Trash they may be in the Music folder within the iTunes Music folder within the iTunes folder in your Music section.
You can try iPodCopy for like $22.
No.
When its deleted, its gone.
It depends. Do you use iTunes with your iPod? If yes, then why not just sync it again and get all your songs back? But if you mean your iPod actually went on your computer and deleted all your music, which i don't think happens very often, then your going to have to download all your music again!
No, you cannot get a deleted game file back.
No.
There is no way to get the data back once youve deleted it.
You can not get your deleted messages back once they are deleted from your phone inbox.
The music files should still be in your "My Music" folder.