Çözüldü Need for Speed: Most Wanted 2 İstediğimiz Müziği Nasıl Koyarız?

I noticed an option to be able to play my own music but when I turn the option on, I get an error that states there is no music to be played. I do have about 20 songs on my hard drive. I am using PS3 if that makes a difference. Is there a certain format they need to be in? Do I need to have a...