Can't play in the background?

```
I'd like to use gst123 to play sound from an app, however when I use gst1234 
<sound> &, no sound comes out. I didn't see an option for this either - is this 
possible to do?
```

Original issue reported on code.google.com by `vpereto...@gmail.com` on 31 Oct 2011 at 3:57
