Instructions
Plug the USB connection end of the iPod cable into the USB slot on your PS3. Connect the iPod to the other end.
Turn on your PS3, and wait for the dashboard to load.
Press the right directional button on your PS3 controller to navigate to the "Music" tab on the PS3.
Choose the "USB" option, and select "iPod" from the device option.
Open the "Music" folder on the iPod screen, and press the triangle button on the PS3 controller. Select "Copy Duplicate." Press the "O" button on the controller, and wait for the files to be transferred onto your PS3.