Sarcasticgamer.com wrote: "...Unfortunately, accessing your PS3's inbox and pairing up your headset is about all you can do from this in-game version of the XMB. Even custom soundtracks, presumed to be available, since the entire XMB was opened from within a game, haven't made the cut unless the game you're playing supports the feature. Wouldn't it be simple enough to let music play as if you're doing something such as browsing the internet or viewing photos, and allow the player to turn down the volume of the in-game music manually, at the very least? It would have been nice to have had this feature at least, especially since a few games already support custom soundtracks by themselves; it can't be too hard to implement, one would have thought..."
