Instructions
Turn on your PS3 console and connect your phone into the 2.0 USB port on the PS3. Wait a couple of seconds for the console to recognize the external device.
Scroll over to the "Music" icon the PS3 main menu. Select the "USB" option and select your phone from the list.
Browse through the list of compatible music files on your phone. Scroll over the music file you wish to upload and press the "Triangle" button on your PS3 controller to pull up the options menu. Select "Copy"
Wait for the message "Transfer complete" to appear. Repeat the process for the other music files you wish to transfer.