Things You'll Need
Instructions
Insert a USB memory device into one of the USB slots on the PS3. Go the "Music" selection from the XMB home menu, then select "Removable Media" and press the "triangle" button on the PS3 controller.
Select "Display All" and locate the music file you want to transfer. Press the "triangle" button on the PS3 remote. Scroll down to the "Copy" option and press "X" button on the PS3 remote.
Wait for the status bar to reach 100 percent for the copying process to be completed. A "Copy Complete" message will display. You now have a copy of your music file on your PS3.