First you have to connect the mp4 player to your computer with the usb cord. Then once the mp4 application open you can sync mp3 files to the mp4 player.
Music help: how to download a music to mp4 player - Help.com.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.