Playstation Three news and reviews

Hello There,
Please could anyone tell me if you can play an mp3 through a playstation 3 not to watch the video but just to hear the sound on my speakers which are connected to the tv.
Thank you for your time in answering my question.

This video shows how you can intsall a USB IR dongle to allow you to use a Logitech Harmony 880 remote and stream music, photos and videos from your PC using Tversity as well as stream web video from Netflix, CBS, ESPN, Hulu, and YouTube using PlayOn