Instructions
 
Connect your iPod Touch to your Sony PlayStation 3 by plugging the device&'s USB cable into both your iPod Touch and one of the USB inputs on your Sony PS3. 
Turn on your PS3 and iPod Touch. 
Select "Music" from your PS3&'s main menu. 
Select "USB," then "Device" from your PS3&'s "Music" menu. 
Press the "Triangle" PS3 controller button. Select "Copy" to copy an individual song to your PS3&'s internal hard drive. Select "Copy Multiple" to copy all of the music on your iPod Touch to your PS3&'s internal hard drive.