Xbox 360 and Last.fm

We now take a break from our unending coverage of the Great PS3 Fatty Outage of 2010 to talk about something else.

I just started using Pandora music service a couple months ago.  For those who don't know what it is, you basically create an account...add songs, music genres, artists, etc that you enjoy and it will create a random music playlist of music it thinks you will enjoy.  It's actually really cool.  The service isn't on 360.  I guess Xbox 360 has Last.fm, which from what I understand since I don't use it, is similar.

Here is my beef....why can't we stream Last.fm music while we are playing games?  I'm currently playing a game on 360 that has absolutely terrible music that makes me want to take a hammer to my head.  I don't feel like dumping my MP3s to my 360 or setting up the media connector on my home PC, just so I can waste electric while leaving my PC running.  It would be nice if Microsoft and Xbox could do something to remedy this.