1 menu
2 settings
3 phone settings
4 USB settings
5 change mode to Mass Storage
6 after you do this, and plug it into your computer, the computer should see the phone as a storage device.
You can now modify files, or drag and drop etc.
You don't have to change the usb back if you don't want to, but I do after i'm done copying files over.
Also the specs say it takes AAC format, so you should be covered on all files.
Let me know if that works for you.